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Exam Prep Practice Questions

Question 1

The IEEE 802 defines Ethernet as which IEEE standard?

  1. 802.3

  2. 802.5

  3. 802.11

  4. 802.9

  5. 802.3ae

  6. 802.11b

Answer: A. The 802.3 IEEE standard describes Ethernet and CSMA/CD.

Question 2

What does UTP stand for?

  1. Unknown twisted pair

  2. Unusual twisted pair

  3. Unshielded twisted pair

  4. Usual token protocol

Answer: C. UTP, or unshielded twisted pair, is the term used to describe Category 3, 5, 6, and 7 cabling made without shielding.

Question 3

What is the minimum frame size for an Ethernet Frame?

  1. 45 bytes

  2. 100 bytes

  3. 48 bytes

  4. 64 bytes

  5. 12 bytes

  6. 1518 bytes

Answer: D. The minimum frame size for Ethernet is 64 bytes.

Question 4

Ethernet LAN technology employs which protocol to detect collisions in LAN transmissions?

  1. FDDI

  2. CSMA/CD

  3. CSMA

  4. RIP

  5. BGP

Answers: B. Ethernet technology employs the Carrier Sense Multiple Access with Collision Detection protocol (CSMA/CD).

Question 5

Token Ring uses a _______ to pass a stream of data in a network.

  1. Full duplex

  2. Broadcast

  3. Baton

  4. Token

  5. Terabit

  6. CSMA/CD

Answer: D. Token Ring uses a token to circulate the ring, and stations wait for the token in order to transmit data. If the token is busy, stations must wait until the token is free.

Question 6

When segmenting a LAN, what device reduces the size of a broadcast domain?

  1. Hub

  2. Layer 2 Switch

  3. Layer 3 Router

  4. LAN Extender

  5. Bridge

Answer: C. A router can reduce the size of the broadcast domain because routers create a smaller network, thus creating a smaller broadcast domain. Some switches use Virtual LANs at Layer 3 to create smaller broadcast domains as well.

Question 7

When segmenting a LAN, what device cannot be used to reduce the collision domain?

  1. Bridge

  2. Switch

  3. Hub

  4. Router

Answer: C. A hub can't reduce the size of the collision domain because hubs use a shared environment.

Question 8

Token Ring employs this mechanism for detecting and compensating for network faults and multiple tokens in a Token Ring network.

  1. Multicast

  2. FDDI

  3. Active monitor

  4. Ethernet

  5. MAU

  6. Token

Answer: C. Active monitor is the mechanism for detecting and compensating network faults. One station is selected to be active monitor.

Question 9

If used to segment the LAN, what device decreases the size of segments and can connect several LANs?

  1. Switch

  2. Hub

  3. Bridge

  4. Router

  5. FDDI

  6. Token Ring

Answer: C. A bridge will decrease the size of the segment and can connect several LANs.

Question 10

A _______ copies and sends a transmission to every destination node on the network.

  1. Unicast

  2. Broadcast

  3. Full duplex

  4. FDDI

  5. Multicast

Answer: B. A broadcast sends a copy of a transmission to all nodes on the network.

 

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