Which device sends and receives information about the Network layer?
Router
This layer creates a virtual circuit before transmitting between two end stations.
Transport
A Layer 3 switch, or multilayer switch.
Router
This device uses hardware addresses to filter the network.
Bridge or switch
Ethernet is defined at these layers.
Data link and Physical
This layer supports flow control and sequencing.
Transport
This device can measure the distance to a remote network.
Router
Logical addressing is used at this layer.
Network
Hardware addresses are defined at this layer.
Data link
This device creates one big collision domain and long large broadcast domain.
Hub
This device creates many smaller collision domains, but the network is still one large broadcast domain.
Switch or bridge
This device can never run full duplex.
Hub
This device breaks up collision domains and broadcast domains.
Router
Which of the following is not a term used when making SOHO Internet connections?
B. NIC
What advantage does a switch have over a hub?
C. It recognizes frame boundaries and destination MAC addresses of incoming frames
Which device is used to segment a network?
B. Switch
What is the primary function of a bridge?
A. Breaks up collision domains
A network device that is used to connect multiple devices together without segmenting a network is a
D. Hub
Which of the following is among the benefits of a switch?
D. Provides extra bandwidth
Which of the following devices can work at both Layers 2 and 3 of the OSI model?
A. Switch
What is an advantage of using DHCP in a network environment?
C. Assigns IP address to hosts
What is a benefit of a multilayer switch (MLS) over a Layer 2 switch?
D. Routing functions
Which device should be used if you need to send incoming packets to one ore more machines that are hidden behind a single IP address?
C. Load balancer
What role does the "A" record in a Domain Name Service (DNS) server have in your network?
C. Translates human name to IP address
Which device does not aid in network segmentation?
C. Hub
What is the most common use for a web proxy?
A. Web cache
Which is not an advantage of network segmentation?
C. Preventing broadcast storms
Users arrive at the office after a weekend and the hosts that were shut down over the weekend are restarted but cannot access the LAN or the Internet. Hosts that were not shut down are working fine. Where can the problem be?
A. The DHCP server
You need a device that can prevent your users from accessing certain web sites. Which device should you install?
D. Proxy server
Which device creates separate collision domains and a single broadcast domain?
C. Switch
Which of the following is NOT an advantage of using appliances to offload services like encryption and content filtering?
B. Less expensive
Which type of server in your network uses pointer and A records?
D. DNS server
Users on your network are saturating your bandwidth because they are using too many non-work-related sites. What device would limit the availability of the types of sites that users on a LAN have access to while providing granular control over traffic between the local LAN and the Internet?