Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 140
Q1621:
What does the MAC address in a frame help to identify?
A. The specific recipient of the frame on the Ethernet network
B. The route to the destination device
C. The data content of the frame
D. The encryption method used
Correct Answer:
A
Chapter: 141
Q1622:
What is the primary purpose of the Address Resolution Protocol (ARP)?
A. To resolve IPv4 addresses to MAC addresses
B. To allocate IP addresses dynamically
C. To encrypt data packets
D. To route packets between networks
Correct Answer:
A
Chapter: 141
Q1623:
Fill in the blank: ARP maintains a table of mappings between _______ and MAC addresses.
A. IPv4 addresses
B. DNS addresses
C. MAC addresses
D. Email addresses
Correct Answer:
A
Chapter: 141
Q1624:
What happens if an ARP request does not receive a reply?
A. The packet is dropped because a frame cannot be created
B. The packet is sent to the next available device
C. The request is retransmitted indefinitely
D. The request is converted into an ICMPv4 packet
Correct Answer:
A
Chapter: 141
Q1625:
Fill in the blank: The ARP cache timer removes entries that have not been used for a _______ period of time.
A. Specified
B. Random
C. Fixed
D. Undefined
Correct Answer:
A
Chapter: 141
Q1626:
When a node needs to send data and the ARP cache does not have a mapping, what does it generate?
A. An ARP request
B. An IP request
C. A MAC request
D. A DNS request
Correct Answer:
A
Chapter: 141
Q1627:
Fill in the blank: If a device is not on the same network, the source node uses ARP to find the MAC address of the _______.
A. Router interface
B. Destination device
C. Source device
D. IP address
Correct Answer:
A
Chapter: 141
Q1628:
What is the ARP request used for?
A. To find the MAC address of a device with a given IP address
B. To request an IP address from a DHCP server
C. To check the status of a network connection
D. To encrypt data packets for transmission
Correct Answer:
A
Chapter: 141
Q1629:
Fill in the blank: Each device has a command to delete ARP cache entries, which does not _______ ARP.
A. Invoke
B. Modify
C. Encrypt
D. Enhance
Correct Answer:
A
Chapter: 141
Q1630:
What is stored in the ARP table?
A. The mapping of IP addresses to MAC addresses
B. The list of all IP addresses in the network
C. The configuration of the router
D. The status of the network interface
Correct Answer:
A
Chapter: 141
Q1631:
Fill in the blank: To communicate with a host on a different network, a node will use the MAC address of the _______.
A. Gateway or router interface
B. Destination device
C. Source device
D. ARP cache
Correct Answer:
A
Chapter: 141
Q1632:
What role do switches play in mitigating ARP issues?
A. They provide segmentation of a LAN and isolate unicast communications
B. They prevent ARP requests from propagating
C. They dynamically allocate IP addresses
D. They encrypt ARP packets for security
Correct Answer:
A
Chapter: 141
Q1633:
Fill in the blank: ARP issues can be mitigated with modern switches that support _______ technologies.
A. Security
B. Routing
C. Encryption
D. Addressing
Correct Answer:
A
Chapter: 142
Q1634:
What is one of the features of a switched LAN?
A. Quality of service
B. Basic Ethernet properties
C. Hub repeaters
D. Flat Layer 2 networks
Correct Answer:
A
Chapter: 142
Q1635:
Fill in the blank: Switched networks have evolved to include features such as _______ for improved traffic management.
A. Quality of service
B. Hub repeaters
C. Layer 2 functionality
D. Network topologies
Correct Answer:
A
Chapter: 142
Q1636:
What type of switch does not support features or options beyond those that originally came with it?
A. Fixed configuration switch
B. Modular configuration switch
C. Stackable configuration switch
D. Smart switch
Correct Answer:
A
Chapter: 142
Q1637:
Fill in the blank: Modular configuration switches can have additional _______ added to increase the number of ports.
A. Line cards
B. Hub repeaters
C. Rack units
D. Switches
Correct Answer:
A
Chapter: 142
Q1638:
What technology allows the interconnection of up to nine switches in a daisy chain fashion?
A. Cisco StackWise
B. Quality of service
C. StackPower
D. Modular configuration
Correct Answer:
A
Chapter: 142
Q1639:
Fill in the blank: Stackable switches are desirable where _______ and bandwidth availability are critical.
A. Fault tolerance
B. Layer 3 functionality
C. IP telephony
D. Wireless connectivity
Correct Answer:
A
Chapter: 142
Q1640:
What is a characteristic of fixed configuration switches?
A. They cannot support additional ports beyond the original configuration.
B. They offer high bandwidth throughput.
C. They can be stacked to form a single larger switch.
D. They support modular line cards for flexibility.
Correct Answer:
A