Quiz 1 Review

Switches break up _______ domains. A. Collision B. Broadcast C. Network D. All of the above

A

Switches break up ______ domains and routers break up _______ domains. A. Broadcast, broadcast B. Collision, collision C. Collision, broadcast D. Broadcast, collision

C

For what two purposes does the Ethernet protocol use physical addresses? (Choose two) A. To uniquely identify devices at layer 2 B. To allow communication with devices on a different network C. To differentiate a layer 2 frame from a layer 3 packet D. To establish a priority system to determine which device gets to transmit first E. To allow communication between different devices on the same network F. To allow detection of a remote device when its physical addresses is unknown

A, E

The following IP address 172.16.20.54 converts to __________ in binary. A. 10101110.00010000.00010100.00110110 B. 10101100.00010000.00010100.00110100 C. 10101100.00010000.00010100.00110110 D. 10101100.00010000.00010100.00111110

C

What is the function of a firewall? A. To automatically handle the configuration of wireless access points B. To allow wireless devices to connect to a wired network C. To monitor and control the incoming and outgoing network traffic D. To connect networks and intelligently choose the best paths between networks

C

Which class of IP address provides a maximum of only 254 host addresses per network ID? A. Class A B. Class B C. Class C D. Class D E. Class E

C

Which of the following hexadecimal numbers converts to 21 in decimal? A. 1c B. 12 C. 15 D. Ab

C

Which of the following layers of the OSI model was later subdivided into two layers? A. Presentation B. Transport C. Data Link D. Physical

C

You are a Cisco administrator for your company. A new branch office is opening and you are selecting the necessary hardware to support the network. There will be two groups of computers, each organized by department. The sales group computers will be assigned IP addresses ranging from 192.168.1.2 to 192.168.1.50. The accounting group will be assigned IP addresses ranging from 10.0.0.2 to 10.0.0.50. What type of device should you select to connect the two groups of computers so that data communication can occur A. Hub B. Switch C. Router D. Bridge

C

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The contention method used by Ethernet is called ________. A. Token Passing B. CSMA/CD C. Polling D. CSMA/CA

B

VLANs break up collision domains. A. True B. False

B

The rules that govern a communication exchange. A. Media B. Criteria C. Protocols D. All of the above

C

How many collision domains are created when you segment a network with a 12 port switch? A. 1 B. 2 C. 5 D. 12

D

THe protocol data unit (PDU) de-encapsulation is completed in which order? A. Bits, frames, packets, segments, data B. Data, bits, segments, frames, packets C. Data, segments, packets, frames, bits D. Packets, frames, bits, segments, data

A

Which of the following is the only device that operates at all layers of the OSI model? A. Network host B. Switch C. Router D. Bridge

A

Which of the following statement is/are true with regard to a 12 port hub? A. It includes one collision domain and one broadcast domain B. It includes 12 collision domains and 12 broadcast domains C. It includes 12 collision domains and one broadcast domains D. It includes one collision domains and 12 broadcast domains

A

Ethernet hubs operate at layer ______, LAN switches work at layer _______, and Routers work at layer _____. A. 3,2,1 B. 1,2,3 C. 2,3,1 D. None of the above

B

The cable used to connect to the console port of a router or a switch is called a ____ table. A. Crossover B. Rollover C. Straight-through D. Full-duplex

B

What protocol is used to find the hardware address of a local device? A. RARP B. ARP C. IP D. ICMP E. BootP

B

Which of the following items does a socket comprise? A. IP address and MAC address B. IP address and port number C. Port and MAC address D. MAC address and DLCI

B

With respect to the OSI model, which of the following is the correct statement about PDU's? A. A segment contains IP addresses B. A packet contains IP addresses C. A segment contains MAC addresses D. A packet contains MAC addresses

B

_____ is a collection of many separate networks. A WAN An Internet A LAN None of the above

B

Between which systems would you use a straight through cable? A. With a connection from a switch to a switch B. With a connection from a router to a router C. With a connection from a host to a host D. With a connection from a host to a switch

D

In which of the following situations can you not use full duplex? A. With a connection from a switch to a switch B. With a connection from a router to a router C. With a connection from a host to a host D. With a connection from a host to a hub

D

What is a stub network? A. A network with more than one exit point B. A network with more than one exit and entry point C. A network with only one entry and no exit point D. A network that has only one entry and exit point

D