Test 1 part 2

Which two statements describe the process identifier that is use in the command to configure OSPF on a router?

All OSPF routers in an area must have the same process ID

Only one process number can be used on the same router

Different process identifiers can be used to run multiple OSPF processes

The process number can be any number from 1 to 65,535

Hello packets are sent to each neighbor to determine the processor identifier

For both the router and the switch the simulated console mode needs to start and remain in enabled mode  ....

Which of the following is true regarding the configuration of Switch A?

only 5 simultaneous remote connections are possible

remote connections using ssh will require a username and password

only connections from the local network will be possible

console access to SwitchA requires a password

A network adnimistrator is trying to add a new router into an established OSPF network.  The networks attached to the new router o not appear in the routing tables of the other OSPF routers.  Given the information in the partial configuration shown below what configuration error is causing this problem?
#router ospf 1
#network 10.0.0.0 255.0.0.0 area 0

The process id is configure improperly
The OSPF area is configured improperly
The network wildcard mask is configured improperly
The network number is configure improperly

What is the bandwidth on the WAN interface of Router 1?

16kbit/sec
32
64
128
512

Why are two OSPF designated routers identified on Core-Router

coure-Router is connected to more than one multi-access network

The router at 208.149.23.130 is a seconndary DR in case the primary fails

The router IDs have the same OSPF priority and are therefore tied for DR election

The DR election is still underway and there are two contenders for the role

What is the purpose of flow control?

To ensure data is retransmitted if an acknowledgement is nnot received

To reassemble segments in the correct order at the destination device

To provide a means for the receiver to govern the amount of data sent by the sender

To regulate the size of each segment

What is the network address for the host with IP adress 192.168.23.61/28

192.168.23.0

192.168.23.32

192.168.23.48

192.168.23.56

192.168.23.60

Which option is a valid IPv6 address

2001:0000:130F::099a::12a

2002:7654:A1AD:61:81AF:CCC1

FEC0:ABCD:XYZ:0067::2A4

2004:1:25A4:886F::1

Which default gateway aress shold be assigned to Host A?

192.168.1.1
192.168.1.65
192.168.1.66
192.168.1.129
10.1.1.1
10.1.1.2

which two statements are true about the loopback address that is configured on RouterB

It ensures that data will be forwarded by RouterB

It provides stability fo rhte OSPF on RouterB

It specifies that the router ID for TouterB sould be 10.0.0.1


It decreases the metric for routes that are asvertised from RouterB

It indicates that RouterB should be elected the DR for the LAN

Which IOS comman is used to initiate a login into a VTY port on a remote router?

#login
#telnet
#tracert
#ping
#line vty 0 5
#login

A PC sends packets to the default gateway IP address the first time since the PC turned on

The network administrator is checking basic IP connectivity from a workstation to a server

The TCP/IP protocol stack must find an IP address for packets destined for a URL

A network device will automatically assign IP addresses to workstations

On a live network, which commands will verify the operational status of router interfaces?  choose 2

#show interfaces

#show ip protocols

#debug interface

#show ip interface brief

#show start

Which two statements are true?

This is a default route

Adding the subnet mask is optional for the ip route command

This will allow any host on the 172.16.1.0 network to reach all known destinations beyond Router A

This command is incorrect, it needs to specify the interface, such as s0/0/0 rather than an IP address

The same command needs to be entered on Router A so that hosts on the 172.16.1.0 network can reach network 10.0.0.0

How many collision domains are shown?

1
2
3
4
6
12

what two things does a router do when it forwards a packet   Choose two

Switches the packet to the appropriate outgoing interfaces

Computes teh destination host address

determines the next hop on the path

updates the destination IP address

Forwards ARP requests

Which of the following statements are TRUE regarding Cisco access lists  (choose two)

In an inbound access list, packets are filtered as they enter an interface

In an inbound access list, packets are filtered before they exit an interface

Extended access lists are used to filter protocol specific packets

You must specify a deny statement at the end of each access list to filter unwanted traffic

When a line is added to an existing access list it is inserted at the beginning of the access list

What are two benefits of using a single OSPF area network design  Choose two

It is less CPU intensive for routers in the single area

It reduces the types of LSAs that are generated

It removes the need for virtual links

It increases LSA response times

It reduces teh number of required OSPF neighbor adjacencies

To allow or prevent load balancing to network 172.1.3.0/24, which of the following commands could be used in R2?  Choose 2

#clock rate
#bandwidth
#ip sopf cost
#ip ospf priority
#distance OSPF

From which of the following attacks can essage Authentication Code (MAC) shield your network?

DoS
DDoS
spoofing
SYN floods

If CDP in enabled on all devices and interfaces, which devices will appear in the output of a show cdp neighbors command issued from R2?

R2 & R3
R1 & R2
R3 & S2
R1, S1, S2 & R3
R1, S1,S2, R3, and S3

How does a switch differ from a hub?

A switch does no induce any latency into the frame transfer time

A switch tracks MAC addresses of directly connected devices

A switch operates at a lower more efficient layer of the OSI model

A switch decreases the number of broadcase domains

A switch decreases the number of collision domains

The host in Kiev sends a request for an HTML document to the server in Minsk.  What will be the source IP address of the packet as it leaves the Kiev router.

10.1.0.1
10.1.0.5
10.1.0.6
10.1.0.14
10.1.1.16
10.1.2.8

what is the subnet address for the IP address 172.19.20.23/28

If the hubs in the graphic were replaced by switches, what would be virtually eliminated

broadcast domains
repeater domains
ethernet collisions
signal amplification
ethernet broadcasts

How can you ensure that only the MAC adress of a server is allowed by switch port Fa0/1

configure port Fa0/1 to accept connections only from the static IP address of the server

Configure the server MAC adress as a static entry of port security

Use a proprietary connector type of Fa0/1 that is incomputable with other host connectors

Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address

The internetwork is using subnets of the address 192.168.1.0 with a subnet mask of 255.255.255.224/  The routing protocol in use is RIP version 1.  Which address could be assigned to the FastEthernet interface on Router A

192.168.1.31
192.168.1.64
192.168.1.127
192.168.1.190

A problem with network connectivity has been observed.  It is suspected that the cable connected to swith port Fa0/9 on Switch 1 is disconnected.  What would be an effect of this cablie be disconnected?

Host B would not be able to access the server in VLAN9 until the cable is reconnected

Communication between VLAN3 and teh other VLANs would be disabled

The transfer of files from Host B to the server in VLAN9 would be signifcantly slower

For less than a minute, host B would not be able to access the server in VLAN9.  Then normal network function would resume

In the router Cisco returns the given output an has not had its router ID set manually, what value will OSPF use as its router ID?

192.168.1.1
172.16.1.1
1.1.1.1
2.2.2.2

2.2.2.2

how does TCP differ from UDP

TCP provides best effort delivery
TCP provides synchronized communication
TCP segments are essentially datagrams
TCP provides sequence numbering of packets
TCP uses broadcast delivery

Which transport layer protocol provides best effort delivery service with no acknowledgment receipt required

HTTP
IP
TCP
Telnet
UDP

What command sequence will configure a router to run OSPF and add network 10.1.1.0/24 to area 0?

router ospf area 0
network 10.1.1.0 255.255.255.0 area 0

router ospf
network 10.1.1.0 0.0.0.255

router ospf 1
network 10.1.1.0 0.0.0.255 area 0

router ospf area 0
network 10.1.1.0 0.0.0.255 area 0

An administrator has connected devices to a switch and for security reasons wants the dynamically learned MAC addresses from the address table added to the running configuration.  What must be one to accomplish this?

Enable port security and use the keyword sticky

Set the switchport mode to trunk and save the running configuration

Use the switchport protected command to have the MAC addresses added to the configuration

Use the no switchport port-security command to allow MAC addresses to be added to the configuration

The following commands are entered on the router:
#enable secret fortress
#line con 0
#login
#password n0rway1n
#exit
#service password-encryption
What is the purpose of the last command entered?

to require the user to enter an encrypted password during the login process

to prevent the vty, console, and enable passwords from being displayed in plain text in the configuration files

to encrypt the enable secret password

to provide login encryption services

between hosts attached to the router

SwitchA receives the frame with the addressing shown in the exhibit.  According to the command output also shown in the exhibit, how will switchA handle this frame

It will drop the frame

It will forward the frame out port Fa0/6 only

It will forward the frame out port Fa0/3 only.

It will flood the frame out all ports

It will flood the frame out all ports except Fa0/3

What happens when computers on a private network attemp to connect to the internet through a cisco router running PAT

The router uses the same IP address but a different TCP source port number for each connection

An IP address is assigned based on the priority of the computer requestoing the connection

The router selects an aress from a pool of one to one address mappings held in the lookup table

The router assigns a unique ip adress from a pool of legally registered addresses for the duration of the connection

A receiving host has failed to receive all of the segments that ishould acknowledge.  What can the host do to improve the reliability of this communication session?

decrease teh window size

use a different source port for the session

decrease the sequence number

obtain a new ip address from the DHCP server

start a new session using UDP

The two connected ports on the switch are not turning orange or green.  What would be the most effective steps to troubleshoot this physical layer problem?  Choose 3

Ensure that the Ethernet encapsulations match on the interconnected router and switch ports

Ensure that cables A and B are straight through cables

Ensure cable a is plugged into a trunk port

Ensure the switch has power

Reboot all of the devices

Reseat all cables

The DHCP settings have recently been changed on the DHCP server and the client is no longer able to reach network resources.  What should be done to correct this situation?

Verify that the DNS server address is correct in the DHCP pool

Ping the default gateway to populate the ARP cache

Use the tracert command on the DHCP client to first determine where the problem is located

Clear all DHCP leases on the router to prevent address conflicts

Issue the ipconfig command with the /release and/ renew options in a command window

Which two characteristics describe the access layer of the hierarchical networkdesign modes?  Choose 2

layer 3 support
port security
redundant components
VLANs
PoE

What information can be used by a router running a link state protocol to build an maintain its topological database?  choose 2

hello packets

SAP messages sent by other routers

LSA from other routers

beacons received on point to point links

routing tables received from other link state routers

TTL packets from designated routers

What should be part of a comprehensive network security plan?

Allow users to develop their own approach to network security

Physically ecure network equipment from potential access by unauthorized individuals

Uncourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten

Delay deployment of software patches and updates until their effect on end users equipment is will known and widely reported

Minimize network overhead by deactivating automatic antivirus client updates

Aussume that all router interfaces are operational and correctly configured.  In addition, assume that OSPF has been correctly configured on router R2.  How will the efault route configured on R1 affect the operation of R2

Any packet destined for a network that is not directly connected to router R2 will be dropped immediately

Any packet destined for a network that is not referenced in the routing table of router R2 will be directed to R1. R1 will then send that packet back to R2 and a routing loop will occur

Any packet destined for a network that is not directly connected to router R1 will be dropped.

the networks directly connected to router R2 will not be able to communicate with the 172.16.100.0, 172,16.100.128 and 172.16.100.64 subnetworks

Any packets destined for a network that is not directly connected to router R2 will be dropped immediately because of the lack of a gateway on R1

An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office.  What is causing the problem?

There is an area ID mismatch

There is a PPP authentication issue; a password mismatch

There is an OSPF hello and dead intervval mismatch

There is a missing network comand in the OSPF process on R5

The hosts in the LAN are not able to connect to the Internet.  Which commands will correct this issue?

#interface fa0/0
#no shutdown

#interface fa0/1
#no shutown

#interface s0/0
#no shutdown

#interface s0/1
#no shutdown

What is the default administrative distance of the OSPF routing protocol

90
100
110
120
130
170

What are two common TCP applications  choose two

TFTP
SMTP
SNMP
FTP
DNS

Which statements accurately describe CDP  Choose 3

CDP is an IEEE standard protocol

CDP is a Cisco proprietary protocol

CDP is a datalink layer protocol

CDP is a network layer protocol

CDP can discover directly connected neighboring Cisco devices

CDP can discover Cisco devices that are not directly connected

What does the 128 refer to in the router output aboce?

OSPF cost
OSPF priority
OSPF hop count
OSPF ID number
OSPF administrative distance

Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet.  Choose 3

10.1.168.0
10.1.176.1
10.1.174.255
10.1.160.255
10.1.160.0
10.1.175.255

A person is trying to send a file from a host on Network A of the JAX company to a server on Network Z of the XYZ Company.  The file transfer fails.  The host on Network A can communicate with other hosts on Network A.  Which command, issued from router RTA would be the most useful for troubleshooting this problem?

show flash
show history
show version
show interfaces
show controllers serial

HostX is transferring a file to the FTP server.  Point A represents the frame as it goes towar the Toronto router.  What will the Layer 2 destination address be at this point

The network is converged.  After link state advertisements are received from Router_A what information will router_E contain in its routing table for the subnets 208.149.23.64 and 208.149.23.96

If a host experiences interittent issues that relate to congestion within a network while remaining connected, what coul cause congestion on this LAN?

half duplex operation
broadcast storms
network segmentation
multicasting

Why would a network administrator configure port security on a switch?

to prevent unauthorized Telnet access to a switchport
to prevent unauthorized hosts from accessing the LAN
to limit the number of Layer 2 broadcasts on a particular switch port
block unauthorized access to the switch management interfaces

which command would you use to configure a static route on Router1 to network 192.168.202.0/24 with a nondefault administrative distance?

#ip route 1 192.168.201.1 255.255.255.0 192.168.201.2
#ip route 192.168.202.0 255.255.255.0 192.168.201.1
#ip route 5 192.168.202.0 255.255.255.0 192.168.201.2
ip route 192.168.202.0 255.255.255.0 192.168.201.2 5

If an Ethernet port on a router was assigned an IP address of 172.16.112.1/20 what is the maximum number of hosts allowed on this subnet?

1024
2046
4094
4096
8196

Which statements are TRUE regarding Internet Protocol version 6 (IPv6) addresses? Choose 3

an IPv6 address is divided into eight 16 bit groups
a double colon(::) can only be used once in a singel IPv6 address
IPv6 addresses are 196 bits in length
Leading zeros cannot be omitted in an IPv6 address
Groups with a value of 0 can be represented with a single 0 in IPv6 address

Which two statements describe characteristics of IPv6 unicast addressing?  choose 2

global addresses start with 2000::/3
Link-local addresses start with FE00:/12
Link local addresses start with FF00::/10
There is only one loopback aress and it is ::1

Which of the following IP addresses are valid Class B host addresses if a default Class B mask is in use?  Choose 2

10.6.8.35
133.6.5.4
192.168.5.9
127.0.0.1
190.6.5.4

Given the output for this command it the router ID has not been manually set, what router ID will OSPF use for this router?

10.1.1.2
10.154.154.1
172.16.5.1
192.168.5.3

WG1R2# show re
5 Ambiguous command: show ru
WG1R2#_

Why did the device return this message

The command requires addtional options or parameters
There is no show command that starts with ru
The command is being executed from the wrong router mode
There is more than one show command that starts with the letters ru

Select two options which are security issues which need to be modified before RouterA is used choose 2

unencrypted weak password is configured to protect privilege mode
inappropriate wording n banner message
the virtual terminal lines have a weak passwor configured
virtual terminal lines have a password but it will not be used
configuration supports an secure web server access

what is the purpose of assigning an IP address to a switch

provides local hosts with a default gateway address
allows remote management of the switch
allows the switch to respond to ARP requests between two hosts
ensures that hosts on the same LAN can communicate with each other

A technician pases the configurations in the exhibit into the two new routers shown.  Otherwise, the routers are configured with their default configuations.  A ping from Host1 to Host2 fails, but the technician is able to ping the s0/0 interface of R2 from Host 1.  The configurations of the hosts have been verified as correct.  What could be the cause of the problem?

The serial cable on R1 needs to be replaced
The interfaces on R2 are not configured properly
R1 has no route to the 192.168.1.128 network
The IP addressing scheme has overlapping subnetworks
The ip subnet-zero command must be configured on both routers

Which of teh following describe the process ientifier that is used to run OSPF on a Router  Choose 2

It is locally significant
It is globally significant
It is neeed to identify a unique instance of an OSPF database
It is an optional parameter required only if multiple OSPF processes are running on the router
All routers in the same OSPF area must have the sme process ID if they are to exchange routing information.

What must be configured to establish a successful connection from Host A to switch SW-a through router RT-A

VLAN 1 on Rt-A
IP routing on SW-A
efault gateway on SW-A
crossover cable connecting SW-A an RT-A

After configuring two interfaces on the HQ router, the network administrator notices an error message.  What must be done to fix this error

The serial interface must be configure first
The serial interface must use the address 192.168.1.2
the subnet mask of the serial interface should be changed to 255.255.255.0
the sub

After configuring two interfaces on the HQ router, the network administrator notices and error message.  What must be done to fix this error?

The serial interface must be configured first.
The serial interface must use the address 192.168.1.2

The subnet mask of the Fastthernet interface should be changed to 255.255.255.240

The address of the FastEthernet interface should be changed to 192.168.1.66

The ip helper-address command does what?

assigns an IP address to a host

resolves an IP address from a DNS server

relays a DHCP request across networks

resolves an IP address overlapping issue

A network technician is asked to design a small network with redundancy.  The exhibit represents this design, with all hosts configured in the same VLAN.  What conclusions can be made about this design?

This design will function as intended
Spanning tree will need to be used
The router will not accept the addressing scheme
The connection between switches should be a trunk
The router interfaces must be encapsulated with the 802.1Q protocol

Which protocol uses a connection oriented service to deliver files between end systems?

TFTP
DNS
FTP
SNMP
RIP

Select three options which are security issues with the current configuration of Switch A

Privilege mode is protected with an unencrypted password

inappropriate wording in banner message

Virtual terminal lines are protected only by a password requirement

both the username and password are weak

Telenet connections canbe used to remotely manage the switch

Cisco user will be granted privilege level 15 by default

The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router.  No routing protocols or other static routes are configured on the router.  Which statements is true about this command/

The interface with IP address 192.168.10.2 is on this router

The command sets a gateway of last resort forthe router

Packets that are destined for host 192.168.100.160 will be sent to 192.168.10.2

The command creates a static route for all ip traffic with the source address 192.168.100.160

What statement about IPv6 is true

Addresses are not hierarchical an are assigned at random

Only one IPv6 address can exist on a given interface

There are 2.7 billion address available

Broadcasts have been eliminated and replaced with multicasts

How many simultaneous Telnet sessions does a Cisco router support by default

1
2
3
4
5
6

type of connection pc to switch

type of cable switch to router

type of cable router to frame relay

type of cable router to pc

error message:

Password required but none set

why was this message received

No VTY pssword has been set
No enable password has been set
No console password has been set
No enable secret password has been set

What is the subnet broadcast address of teh LAN connected to Router1

192.168.8.15
192.168.8.31
192.168.8.63
192.168.8.127

Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowlegments?

Physical
Data link
Transport
Network

Which parameter or parameters are used to calculate OSPF cost in Cisco Routers?

Bandwith
Bandwidth and delay
Bandwidth Delay and MTU
Bandwidth MTU Reliability Delay and Load

Which address type does a switch use to make selective forwarding decisions?

Source IP address
Destination IP address
Source and destination IP address
Source MAC address
Destination MAC address

hat are two remoccended ways of protecting network device configuration files from outside network security threats choose 2

allow unrestricted access to the console or VTY ports
Use a firewall to restrict access from the outside to the network devices
Always use Telnet to access the device command line because its data is automatically encrypted
Use SSH or another encrypted and authenticated transport to access device configurations
Prevent the loss of passwords by disabling password encryption

show ip route

the output is from a router in a large enterprise.  From the output, determine the role of the router.

A core router
 HQ internet gateway router

The WAN router at the central site

Remote stub router at a remote site

A workstation has just resolved a browser URL to the IP address of a server.  What protocol will the workstation now use to determine the destination MAC address to be placed in to frames directed toward the server?

HTTP
DNS
DHCP
RARP
ARP

Refer to the topology.  R1 does not form an OSPF neighbor adjacency with R2.  Which option would fix the issue?

R1 ethernet 0/1 is shutdown.  Configure no sh command

R1 ehthernet0/1 configured with a non default OSPF hello interval of 25, configure no ip ospf hello interval 25

R2 ethernet0/1 and R3 ethernet0/0 are configured with a non default oOSPF hello interval of 25, configure no ip ospf hello interval 25

Endable OSPF for R1 ethernet0/1; configure ip ospf 1 area 0 command under ethernet 0/1

Which routers are likely to have been elected ad DR  Choose 2

Corp 1
Corp 2
Corp 3
Corp 4
Branch 1
Branch 2

The junior network support staff provided the diagram as ra recommended configuration for the first phase of a four phase etwork expansion project.  The entire network expansion will have over 1000 users on 14 network segmants and has been allocated this ip address space  Choose three problems

the AREA 1 IP address space is inadequate for the number of users

The AREA 3 IP address space is inadequate for the number of users

Area 2 could use a mask of /25 to conserve IP address space

The network address space that is provided requires a single network wide mask

The router to router connection is wasting address space

The broadcast domain in Area 1 is too large for ip to function

How many addresses will be available for dynamic NAT translation when a router is configured with the following commands?

#ip nat pool TAME 209.165.201.23 209.165.201.30 netmask 255.255.255.224
# ip nat inside source list 9 pool TAME

7
8
9
10
24
32

Which OSI layer header contains the address of a destination host that is on another network?

application
session
transport
network
datalink
physical

which statement is true

An IPv6 address is 64 bits long and is represented as hexadecimal characters

An IPv6 address is 32 bits long and is represented as decimal digits

An IPv6 address is 128 bits long and is represented as decimal digits

An IPv6 address is 128 bits long and is represented as hexadecimal characters

what is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?

#ip route 10.89.0.0 255.255.240.0 10.89.16.2

#ip route 10.89.3.0  255.255.0.0 10.89.16.2

#ip route 10.89.0.0 255.255.240.0 10.89.16.1

#ip route 0.0.0.0 0.0.0.0 10.89.16.1

Given a Class IP address subnetted with a /30 subnet mask how many valid host ip addresses are available on each of teh subnets

1
2
4
8
252
254

application layer =

Transport layer =

Internet layer =

network access layer =

Host A can communicate with Host B but not with Hosts C or D.  How can the network administrtor solve this problem?

configure Hosts C and  D with IP addresses in the 192.168.2.0 network

Install a router and configure a route to route between VLANs 2 and 3

Install a second switch and put Hosts C and D on that switch whole Hosts A and B remain on the original switch

Enable the VLAN trunking protocol on the switch`

What two thing can the technician determine by successfully pinging from this computer to the ip address 172.16.236.1  choose two

The network card on the computer is functioning correctly

The default static route on the gateway router is correctly configured

The correct default gateway ip address is configured on the computer

The device with the IP address 172.16.236.1 is reachable over the network

The default gateway at 172.16.236.1 is able to forward packets to the internet

An administrator is in the process of changing the configurtion of a router.  hat command will allow the administrator to check the changes that have been made prior to saving the new configuration?

#show startup-config
#show current-config
#show running-config
#show memory
#show flash
#show processes