CompTIA Net+ Plus

Which of the following WAN layer two protocols would be BEST suited for a full mesh topology?



Which of the following command line tools would BEST be used to verfiy DNS functionality??

After increasing the interface MTU of a branch router to 1600 bytes, a network administrator is no longer able to send packets with a size of 1501 bytes. Which of the following is the case??

Which of the following protocols are used in VoIP?

Which of the following commands would allow a technician to see the DNS servers that a computer is configured to use?

A technician needs to connect a laptop via the small office, home office (SOHO) wireless access point. When the technician does a site survey using the laptop, the wireless network is not discovered. Computers previously on the wireless network were connected, and the wireless card appears to be working. Which of the following could be causing the issue?

A packet sniffer has been placed on a network and shows client A is sending TCP SYN packets to server B. Which of the following packets should be sent from server B in response?

An automated application capable of infecting computers without user interaction would be described as which of the following?

Which of the following does a star ring topology use for data transfer?

A network technician has addressed an issue where many workstations have lost network connectivity, but is not able to establish the most probable cause. Which of the following steps should be taken next to resolve this issue?

Which of the following protocols allows secure access to a VPN??

An administor is using a packet analyzer across a single switch but is only receiving partial packet information. Which of the following would need to be implemented on the switch for the administrator?

A network technician has been asked to retrieve device statistics, information, and errors. Which of the following tools would the technician likely use??

Which of the following IEEE standards describesd the power output of a standard port?

Which of the following WAN technologies uses thirty 64Kbs channels?

A technician is extending a data circuit to the other side of the building. Which of the following would the technician set up at the new location?

Which of the following is a benefit of using dynamic routing as opposed to static routing?

Which of the following would be an appropriate use of an EGP?

All of the workstations at a company have a static IP address. A newly deployed workstation is unable to connect to the company intranet server using an Internet browser. The technician can ping the intranet servers IP adderss. The MOST likely cause of this in an incorrect:

Which of the following is an example of a valid MAC address for a workstation?

A technician wants to see how many server connections are open on a client machine. Which of the following is the command to see these connections?

Which of the following is a valid IP address in the public addressing scheme?

Which of the following will have problems functioning if a firewall has been set up to block all UDP traffic?

The difference between 10Base-T and 100Bse-T is:

Which of the following is a part of the TCP/IP protocol suite?

Which of the following BEST explains the purpose of a DMZ??

How much bandwidth does an OC-12 provide?

Which of the following protocols should be used to securely copy a file?

A mail server was recently placed in the network. The users report email is slow. Upon closer inspection a technician notices that error counters on the error counters on the interface are incrementing. Which of the following could be causing the problems?

Which of the following equipment would allow for routing based on logical addresses?

A client is using a device that allows them to synchronize their wireless device to their computer, but the device must be within 3 feet (1 meter) in order for the synchronization to complete. Which of the following BEST describes the type of wireless device being used?

A network administrator configured several network devices earlier today, but now the Internet is no longer avialable to sever users. Which of the following logs should the network administrator reference to help identify the problem?

Which of the following items changes the encryption key on a users session after a set period of time?

Which of the following is the maximum speed available from a full T1 line?

According to the OSI model, which of the following layers is responsible for providing reliable communication?

A network technician is trying to find out the NETBIOS name of another workstation using its IP address, which of the following commands would be used to find this information?

Which of the following is the number of bits used for IPv6?

Which of the following protocols would a multilayer switch use to learn the IP address of a directly connected device?

Which of the following remote access solutions allows the LEAST connection overhead?

Which of the following is a utility that translates the IP address to its physical network address?

Which of the following is the default port for SMTP?

A network administrator is configuring a network with a dynamic routing protocol. Which of the following would support equal cost load balancing and have all routers contain the same topology view?

Which of the following protocols allows email to be viewed while remaining on the email server?

When creating a fault tolerant switched network, which of the following will allow for loops in the switched topology while preventing a broadcast storm?

Which of the following logical topologies uses centralized authentication?

A new virus was just released and has infected several workstations. A technician receives a newly released patch. Which of the following troubleshooting steps should the technician take FIRST?

An administrator is implementing a new wireless network. Which of the following is the highest level of wireless encryption that the administrator can run?

When connecting two switches together, which of the following protocols would be used to trunk multiple VLAN traffic across the same physical link?

A user reports that they cannot access any network resources. Which of the following tools would a technician use to troubleshoot the problem?

Which of the following layers of the OSI model does a network router perform traffic routing at?

How many DS0s are used in a T1?

When connecting two devices for voice on a vertical connect, which of the following cables would be used to connect the two devices?

After installing a new switch and connecting redundant uplinks to other switches, a LAN experiences a broadcast storm causing severe throughput problems. Which of the following is the MOST likely cause of the broadcast storm?

Which of the following is the maximum range of 10GBase-SR?

A technician is troubleshooting a switch and has identified the symptoms. Which of the following steps should the technician take NEXT?

A network technician is installing a series of three access points to cover the entire wing of a building. Only one access point has wired connection. 802.11g is being used for the wireless transmission. Which of the following channels should be used for the access points?

Which of the following network topologies would BEST prevent downtime in a WAN environment?

A technician can successfully remote into the company's server. However, the technician cannot connect to any of the servers directories from the server itself, but can ping them via an IP address. Which of the following could be the problem?

Which of the following protocols enables administrators to control network devices like routers and switches?

Which of the following types of WAN technologies uses cell switching?

Which of the following network devices routes packets over a wireless network?

A corporate network has grown and manual monitoring of the network devices are no longer feasible. Which of the following would provide central logging for all devices with message priority levels?

Routing convergence time is which of the following?

A users workstation is able to resolve IP addresses of any host, and can ping other workstations on the local subnet, but is unable to ping addresses on other subnets. Which of the following is the MOST likely cause of the problem?

Which of the following cables has a solid Kevlar center to restrict it from making a 90 degree bend?

Which of the following network media has the maximum segment length?

Which of the following logs would let the network administrator know that there are performance and network issues within the LAN?

Which of the following logs would let the network administrator know that there are performance and network issues within the LAN?

A network administrator has been receiving work orders about poor voice quality crossing a branch T1. The cause is determined to be users running high bandwidth file sharing applications across the T1 sending large packets delaying the smaller voice streams. Which of the following would improve voice quality?

Which of the following VPN protocols runs over port 1723 and allows encryption to be done at teh data level?

Which of the following is implemented on multiple switches to allow alternate paths?

Which of the following cables is used to connect multiple layer 2 switches?

Which of the following is the MOST secure wireless encryption?

Which of the following cable types transmits data over 100Mbps per direction?

Which of the following are forms of gigabet Ethernet that require the use of fiber optic cables?

Which of the following authentication protocols uses plain text to transmit passwords over the internet?

Which of the following would be used to relocate a T1 closer to the switch for connectivity?

Which of the following punch down blocks is BEST suited for high-speed data transmission?

Which of the following outlines the purpose of using a proxy server in an enterprise environment?

Which of the following network performance optimization methods slows or restricts traffic to increase the performance of other types of traffic?

Which of the following characteristics BEST describe SMF?

Which of the following cable types allows for the maximum cable run distance?

Which of the following data is included in a wireless access points beacon frame?

On a wireless network, a user is able to connect to local resources, but not to be the Internet. Which of the following is the MOST likely cause?

A technician received a call from a remote user who is having issues connecting to a new VPN. Which of the following is the FIRST step the technician should take?

Which of the following is an advantage of 100Base-FX over 100Base-TX?

Which of the following devices allows segregation of collision domains but not broadcasting domains?

Which of the following is the function of a NIC?

A network administrator is developing a solution that will allow a new remote site with 400 users access to the Internet using only one public routable IP address. The solution must allow for direct user access to the Internet. Which of the following technologies is teh BEST to implement?

Which of the following IEEE standards has a maximum bandwidth of 54Mbps operating at 5GHz?

Which of the following protocols is used for connecting clients to a news server?

A company has installed a new 802.11g point-to-point connection between two buildings and is experiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omni-directional antenna.
Which of the following would BEST improve the link performance?

Which of the following technologies do the 802.11 networks utilize to prevent packet collisions?

Users on the network can no longer access a custom application that uses TCP 8090 hosted on the DMZ. A technician has verified that the firewall is permitting the TCP port. Which of the following commands would verify the server is still accepting connections on TCP 8090?

A network technician is connecting through the console port to configure a switch. Which of the following ports would be used to transfer configuration files from the switch?

A user states that they have decreased signal strength on their wireless connection. They have been using the wireless network previously without problems and the network configuration has not been changed. Which of the following is MOST likely the cause of the degraded signal?

After a technician came out and installed a new wireless router, one of the wired workstations began having problems connecting to the file server. This is only an intermittent problem. Which of the following actions will the technician MOST likel perform to resolve this problem?

In the OSI model, which of the following layers would be the cause of a session time-out while browsing the web?

Which of the following network protocols allows for automated alerts and reports on network devices?

An employee is having issues accessing shared resources on a file server. Which of the following troubleshooting steps should the technician take FIRST?

Which of the following port numbers does SSH use?

Which of the following protocols maps an IP address to a MAC address?

Which of the following is the maximum CAT5 length acceptable for a horizontal cross-connect?

Which of the following is the FIRST criterion used to select from the routing table?

A network technician discovers that the phone company has installed the smart jack in the wrong location. It needs to be moved 75 feet (23 meters) to the computer room. Which of the following should be requested?

Which of the following protocols provides teh actual encryption used over VPN?

Which of the following documentation would a network administrator need to update if they have just finished upgrading the firmware on all the switches within the LAN?

Which of the following WAN technologies would a technician find dense wavelength division multiplexing (DWDM)?

Which of the following network services is responsible for mapping names to IP addresses?

QoS is used to accomplish which of the following objectives?

Which of the following TCP connect scanners is always set for normal data flow once a connection is established?

Which of the following is required to pass traffic from one VLAN to another?

Which of the following protocols are used to transfer files between two systems?

Which of the following LAN connection technologies has a full duplex speed of 200Mbps and uses and CAT5e cable?

Which of the following connector types would a technician utilize with fiber lines by pushing it directly into the port without twisting?

Which of the following is the BEST reason to implement QoS when real-time applications are in use in the network?

Which of the following technologies is BEST suited for a point-to-point circuit that is 6 kilometers (3.7 miles) in distance?

In a network constructed using star topology, all the devices are connecting to one central device known as the:

Which of the following is the maximum segment distance of a 100Base-FX network?

Which of the following protocols is the MOST susceptible to a packet sniffer?

A user reports that the wireless network is slow and is able to see and access shared folders taht are unknown to the user. Which of the following is the cause of the problem?

Which of the following network protocols is needed to ensure that users can type in a FQDN insteand of the IP address?

Which of the following are features of a DHCP server?

The data center power will not be restored for several hours. Which of the following can be implemented in the future to allow the data center to keep running?

Which of the following is the length of a MAC address?

Which of teh following cable types is typically used to connect a hub to a hub that does not support MDI-X?

Which of the following wireless communication standards allows for communication at both 2.4GHz and 5GHz frequencies?

Which of the following can an application layer firewall filter that a network layer firewall cannot?

Which of the following devices would administer routing in a network?

A new segment needs to be added to a network to provide access for 64 servers. Which of teh following subnets will provide the needed access and still conserve IP addresses?

Which of the following protocols allows usernames and passwords to be transmitted asclear-text?

A user has plugged a computer into a switch port and now is unable to access any server resources on the network. Which of the following are the MOST likely reasons for the access problem?

Which of the following will allow certain ports to be part of the same group while other ports within that switch are part of a different group?

A company is in the process of upgrading their network infrastructure to support new VoIP telephony equipment. Which of the following is a primary feature to consider when selecting a new switch to support the phones?

A user has been transferred from the accounting team to the human resources team. The user can only print to the accounting teams printer and cannot print to the human resources teams printer. Which of the following is the cause of the problem?

Which of the following are the IEEE designations for the spanning tree protocol?

At which of the following layers of the OSI model would a repeater operate?

Which of the following commands would allow the technician to identify the currently assigned DNS server?

To forward traffic from a host with the IP address of 10.0.0.100/25 to 10.0.0.200/25 which of the following devices will be required?

Which of the following software types would BEST be used for identyfying an attack?

Which of the following types would BEST be used at identifying and reacting to an attack by shutting down a port or dropping certain types of packets?

Which of the following properties describes a rate at which bits are transmitted over a WAN link?

Which of the following is a secure method for file transfer to a network device?

Which of the following frequency ranges does 802.11a operate at?

A company requires a hub and spoke WAN solution. Which of the following are BEST suited to meet this need?

Which of the following OSI layers handles the routing of data across segments?

A client wants to extend the range of their wireless network without running wires throughout the small office. Which of the following could be implemented with the LEAST administrative effort?

Which of the following components in a structured wiring system supports an Ethernet network?

Which of the following protocols is used to ensure consistent time across network devices on teh domain?

Which of the following cable types has the shortest maximum cable run length?

When would a technician use plenum-rated cable?

Which of the following protocols provides a secure method to remotely administer a server?

Which of the following traffic types would a network layer firewall be unable to filter?

Which of the following mechanisms is used to calculate back-off time on an Ethernet link after a collision?

Which of the following features from the switch eliminates a delay in acquiring an IP address?

Which of the following cable standards has teh highest effective range at a greater expense?

How many broadcast domains are created by a 24 port switch configured with 12 VLANs with all of the ports being actively used?

A network device taht is used to connect multiple devices without segmenting a network is a:

Which of the following is an advantage of 100Base-FX?

Which of the following could be installed to improve network performance when accessing Internet websites?

Users are reporting that they can access Internet web pages but cannot access the internal company website. Which of the following is the MOST likely source of the problem?

Which of the following LAN types would utilize CAT5 UTP?

When troubleshooting a network error, a technician using a laptop as a network sniffer can see all the communications on the network segment. Which of the following network devices is the laptop plugged into?

To support roaming across a wireless 802.11g network, each access point should be configured to use which of the following?

A new laptop has been purchased with an 802.11n wireless card. The laptop will not connect to their existing 802.11a network. Which of the following is MOST likely the reason teh laptop will not connect?

Which of the following will allow an administrator to restrict communication between network devices?

Which of teh following is the strongest type of wireless encryption?

Which of the following routing protocols is a link state and uses a backbone called area 0?

A user contacts a technician and states taht they are unable to access the network. The technician discovers that the IP address of teh workstation is 169.123.142.34. Which of the following has occurred?

The 66 block termination point is:

The role of intelligently forwarding frames from one broadcast domain to another would be performed by which of the following network equipment?

Which of the following is the maximum transmission distance of 10GBase-LR?

Which of the following is teh maximum distance a 10GBase-EW connection can transmit with one repeater?

Which of the following is the component in a wiring system designed to support legacy phone systems?

Remote users are having problems accessing files from a file server. Which of the following should a technician check FIRST?

Which of the following is a utility that translates the physical network address to its IP address?

Which of the following networks has the LEAST likelihood of collisions?

Which of the following tools would be used to establish a connection on a wall jack to connect to the desktop?

Which of the following network devices filters packets based on rules that have been configured for it?

A network technician is implementing new wireless access pionts in an existing wireless infrastructure. The security is the WPA2 standard. Which of the following encryption methods may not be compatible with the previously installed access points?

A technician is working on a new employees workstation in the accounting department. The workstation needs access to the accounting server. Currently the technician notices that the employee can only access the Internet. Which of the following would the technician need to verify?

Which of the following techniques would increase teh bandwidth for network ttransmission by joining together multiple connections into one logical connection?

Which of the following protocols permits secure polling of network devices?

Which of the following routing protocols uses AS-Path as one of the methods tobuild the routing table?

Ensuring that data is transmitted securely over an IP network is the main purpose of:

Which of the following network segmetns is located outside the firewall?

A technician is troubleshooting connectivity issues on a clents machine. The technician needs to see the current NetBIOS configuration and open connections, which of teh following commands would allow this information to be displayed?

A technician has just finished implementing a solution for a network issue. Which of the following steps in troubleshooting should the technician do NEXT?

Which of the following address ranges should a netowrk administrator deny in teh ACL to prevetn multicast packets from crossing the WAN interface?

A company guest is requesting to use their personal laptop on the company wireless network. DHCP is configured correctly for wireless and a temporary WEP key is assigned. The laptop cannot connect to the network because:

An active/passive server cluster in chich only one server is active and handling requests, is an example of which of the following network performance optimization?

Which of the following utilities shows the relationship between a MAC address and the corresponding IP address?

Which of the following is teh recommended maximum distance CAT6 cable should be run?

When configuring a wireless access point, which of the following principles should be used to select a channel to operate on?

Which of the following is the default port for HTTPS?

Which of the following WAN layer two protocols would be BEST suited for a full mesh topology?

When connecting two devices for data on a vertical cross connect, which of the following cables would be used to connect those devices?

Which of the following authentication protocols uses certificates to negotiate access to the network?

A network using RIP has taken several minutes to begin routing traffic around a failed piece of equipment. Which of the following could be implemented to imporove convergence time?

A technician is setting up a public server for their company. The IP address is 19.19.0.1. Which of the following is teh default subnet mask for the server?

A user is trying to establish an FTP connection to a computer at home. The home computer is turned on and has Internet connectivity. However, they are unable to connect from the PC at work. The IP address that the user is trying to connect to is 192.168.1.125. Which of the following is the MOST likely problem?

A corporate office network has 40 computers all in teh same private IP subnet. The corporate office has purchased an Internet connection from their local ISP. They were assigned one static public IP address and all 40 computers will require access to the Internet. How can this be accomplished?

A company has one headquarters location and ten remote sites. The remote sites do not need to communicate with each other, just with headquarters. Which of the following is the BEST topology to use?

Which of the following would limit the availability of the types of sites that users on a LAN have access to?

Which of the following BEST describes teh use of plenum cable?

When using the ping utility, which switch pings a network device until stopped?

A network administrator of a company has many branch locations each using a subnet mask of 255.255.255.224. Which of the following dynamic routing protocols should be used?

Which of the following would be a correct statement about VLANs?

A user is experiencing slow connections. Which of the following commands would be used to determine the delay time between the hops?

Which of the following protocols uses port 22 by default?

Which of the following devices can be remotely looped for troubleshooting purposes?

Which of the following authentication methods allows for domain level authencation on a wireless network?

An RJ-11 connector is capable of having up to how many pins?

A network technician is installing a small wireless network. A requirement is that individual users must authenticate using usernames and passwords. Which of the following technologies would support users authenticating with encrypted usernames and passwords?