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Question 1:
Switches on a LAN allow the network administrator to do which of the following?
A. Maintain a shared network segment
B. Decrease the number of collision domains
C. Prevent microsegmentation
D. Increase the number of collision domains
Question 2:
Which of the following does a switch use to make forwarding decisions?
A. Network layer information
B. Transport layer information
C. A MAC address
D. An IP address
Question 3:
What percentage of bandwidth is available in each direction when using full-duplex?
A. 50%
B. 75%
C. 100%
D. 125%
Question 4:
What protocol is used to allow redundant paths in a switched/bridged network?
A. RIP
B. Spanning Tree
C. IGRP
D. ISL
Question 5:
How do VLANs group network devices?
A. Physically
B. Logically
C. Geographically
D. Topographically
Question 6:
Which OSI layer does a router use to make its forwarding decisions?
A. 1
B. 2
C. 3
D. 4
Question 7:
The implementation of switching technology helps to decrease congestion by reducing traffic and increasing which of the following?
A. Attenuation
B. Available bandwidth
C. Routing protocols
D. Propagation
Question 8:
What will be generated when the first Ethernet station detects a collision?
A. NACK
B. CRC misalignment message
C. Reset broadcast
D. Jam signal
Question 9:
What type of switching method is used when a switch only reads the destination address before forwarding the frame?
A. Cut-through
B. Read and send
C. Copy and send
D. Store-and-forward
Question 10:
Which represents the time it takes a frame to travel from its source station to its final destination on the network?
A. Hop count
B. Bits per second
C. Latency
D. Tick time
Question 11:
Switches that receive the entire frame before sending it, use what type of frame forwarding?
A. Cut-through
B. Receive and send
C. Copy and send
D. Store-and-forward
Question 12:
Full duplex requires how many pairs of wires?
A. 1
B. 2
C. 3
D. 4
Question 13:
Which of the following is the default order of Spanning Tree Protocol states?
1. Learning
2. Disabled
3. Blocking
4. Listening
5. Forwarding
A. 3, 4, 1, 5, 2
B. 4, 3, 1, 2, 5
C. 2, 1, 4, 3, 5
D. 1, 4, 3, 5, 2
Question 14:
Which switch type provides connections between ports of like bandwidth?
A. Asymmetric
B. Port-centric
C. Programmable
D. Symmetric
Question 15:
Bridges learn about a network by building a table based on which of the following?
A. MAC addresses
B. IP addresses
C. ARP requests
D. RIP requests
Question 16:
What describes the time necessary to move a packet from the data link layer to the physical layer?
A. Packet delay
B. Transmission time
C. Convergence
D. Queuing
Question 17:
A LAN switch allows many users to communicate in parallel through which of the following?
A. Routing tables
B. Multipoint protocols
C. Collision domains
D. Virtual circuits
Question 18:
Which area of memory does the switch use to store destination and transmission data?
A. Storage partition
B. Delay queue
C. Memory buffer
D. Memory queue
Question 19:
Which of the following improves the performance of a shared media LAN?
A. Segmenting the network
B. Moving the workstations closer together
C. Installing a more powerful server
D. Installing more servers and printers
Question 20:
Which Layer 1 device is used to extend the coverage area of a LAN segment?
A. Router
B. Switch
C. Repeater
D. Gateway
Question 21:
What is used to alleviate congestion?
A. Install more hubs
B. Use an extended star
C. Use a bus topology
D. Increase the bandwidth
Question 22:
Which of the following is created by segmenting a LAN with a Layer 2 Switch?
A. More collision domains
B. Less collision domains
C. More broadcast domains
D. Less broadcast domains
Question 23:
What occurs each time a switch stores an address?
A. Checks the subnet mask
B. Time stamps it
C. Places it in the routing table
D. Clears the routing table
Question 24:
What is read by a switch to begin the forwarding process and reduce latency?
A. Frame trailer
B. Destination MAC address
C. Source MAC address
D. Checksum
