CCNA Guide to Cisco Networking - Chapter 2 Review Questions

What kind of bridges do Ethernet networks use? a. Translation b. Source-routing c. Transparent d. Brooklyn

a

What kind of bridges will connect an Ethernet network to a Token Ring network? a. Translation b. Source-routing c. Transparent d. Brooklyn

a

Which of the following best describes a network segment? a. A section of the network that has been separated from other segments by a router, bridge, or switch. b. A piece of broken twisted-pair cable c. A piece of broken coaxial cable d. A portion of the network that has been isolated with a repeater.

a

Which of the following is an implementation of Gigabit Ethernet? a. 1000BaseT b. 1000BaseFX c. 1000Base3 d. All of the above

a

Which of the following is not true about bridges? a. Bridges do not forward broadcast traffic. b. Bridges segment the network. c. Bridges reduce the likelihood of a collision. d. Bridges operate at the Data Link layer.

a

Which type of address do routers use? a. Logical b. Physical c. MAC d. Data Link

a

Why don't repeaters and hubs segment the network? a. They only work at the Physical layer where there is nothing to filter. b. They are not considered devices. c. They operate at the Network layer where segmentation cannot occur. d. They do segment the network.

a

Rank the following devices from lowest to highest latency. a. Hub b. Switch c. Gateway d. Router

a,b,d,c

A _______ can reduce broadcast traffic. a. Bridge b. Router c. Repeater d. Connector

b

Bridges operate at which layer of the OSI model? a. Network b. Data Link c. Session d. Transport

b

If a bridge receives a frame that has a destination MAC address located on the same segment from which it came, what will happen to the frame at the bridge? a. It will be forwarded. b. It will be dropped. c. The source signal will be repeated on all segments. d. The destination address will be repeated on all segments.

b

What is an advantage of using a switch rather than a bridge? a. Lower cost b. Microsegmentation c. Use of the MAC address for filtering d. There is no advantage to using a switch rather than a bridge.

b

Which of the following OSI layers contains media access control information? a. Physical b. Data Link c. Transport d. Presentation e. Session f. Network

b

Which of the following does not operate in the 2.4 GHz frequency range? a. 802.11 b. 802.11a c. 802.11b d. 802.11g

b

Which type of addresses do bridges use? a. Logical b. Physical c. IP d. TCP

b

A router that has eight ports will require how many IP addresses? a. Four b. Six c. Eight d. Nine e. Ten

c

Another name for IP address is ________ address, and another name for a MAC address is _______ address. a. Ethernet, logical b. Physical, logical c. Logical, physical d. NIC, software

c

Typically, which is the best device for increasing performance on your LAN? a. Hub b. Bridge c. Switch d. Router

c

When two stations broadcast at the same time on a single segment of an Ethernet network, what happens? a. Contention b. Crash c. Collision d. Interruption

c

Which of the following is not true about switches? a. Switches operate at the Data Link layer. b. Switches create virtual network segment. c. Switches do not segment the network. d. Switches create private connections between two points.

c

Which of the following represents the highest level of 802.11 security? a. WPA2 b. WPA c. 802.11i d. WEP

c

A switch divides network communications at which layer of the OSI model? a. Presentation b. Network c. Transport d. Data Link

d

Routers operate at which layer of the OSI model? a. Data Link b. Presentation c. Session d. Network

d

What device provides functions similar to a hub in wireless networks? a. Wireless local area network b. Optical repeater c. Virtual local area network d. Wireless access point

d

Which of the following devices translates between different protocols? a. Bridge b. Switch c. Router d. Gateway

d

Which of the following is an appropriate description of a broadcast storm? a. Noise on the network b. A large amount of traffic that passes directly through routers c. An electrical condition caused by the sun d. An error condition in which many broadcasts are sent simultaneously across the entire network

d

Which of the following is not true about routers? a. Routers operate at the Network layer. b. Routers segment the network. c. Routers reduce broadcast traffic. d. Routers are faster than repeaters.

d

Which of the following is the correct name for a device that operates at both the Data Link and Network layers of the OSI reference model? a. Router b. Bridge c. Switch d. Brouter e. Hub

d