Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 144
Q1661:
What happens when a destination device responds to a frame in a switch?
A. The switch adds the source MAC address and port to the MAC address table.
B. The switch deletes the MAC address from the table.
C. The switch ignores the response.
D. The switch forwards the frame to all ports.
Correct Answer:
A
Chapter: 144
Q1662:
Fill in the blank: The store-and-forward method makes forwarding decisions after the entire frame has been _______ and checked for errors.
A. Received
B. Sent
C. Discarded
D. Ignored
Correct Answer:
A
Chapter: 144
Q1663:
What is the primary advantage of using ASICs in LAN switches?
A. They reduce packet-handling time and handle more ports without degrading performance.
B. They increase the number of collision domains.
C. They improve software-based forwarding.
D. They add additional ports for external connections.
Correct Answer:
A
Chapter: 144
Q1664:
Fill in the blank: The store-and-forward method of switching checks frames for errors using a _______ known as a cyclic redundancy check (CRC).
A. Mathematical error-checking mechanism
B. Physical inspection
C. Software-based algorithm
D. Manual process
Correct Answer:
A
Chapter: 144
Q1665:
How does the cut-through method of switching differ from the store-and-forward method?
A. It starts forwarding the frame before the entire frame is received.
B. It waits for the entire frame to be received before forwarding.
C. It uses software-based error checking.
D. It relies on external devices for error checking.
Correct Answer:
A
Chapter: 145
Q1666:
In a hub-based Ethernet segment, what do network devices compete for?
A. Bandwidth
B. IP addresses
C. Port numbers
D. Collision domains
Correct Answer:
A
Chapter: 145
Q1667:
Fill in the blank: Each port on a switch represents a new _______ domain.
A. Collision
B. Broadcast
C. IP
D. Error
Correct Answer:
A
Chapter: 145
Q1668:
How does a switch reduce the number of devices competing for bandwidth?
A. By dividing the network into segments, each with its own collision domain
B. By combining all devices into a single segment
C. By using routers to manage traffic
D. By increasing the bandwidth available to all devices
Correct Answer:
A
Chapter: 145
Q1669:
Fill in the blank: Switches do not filter _______ frames and flood them out all ports except the one on which the frame was received.
A. Broadcast
B. Unicast
C. Multicast
D. Error
Correct Answer:
A
Chapter: 145
Q1670:
What device is used to divide a Layer 2 broadcast domain?
A. Router
B. Switch
C. Hub
D. Repeater
Correct Answer:
A
Chapter: 145
Q1671:
Fill in the blank: A Layer 2 broadcast frame has a destination MAC address set to all _______ ones.
A. Binary
B. Hexadecimal
C. Decimal
D. ASCII
Correct Answer:
A
Chapter: 145
Q1672:
When a switch receives a broadcast frame, where does it forward the frame?
A. Out each of its ports, except the ingress port
B. Only to the ingress port
C. To all ports equally
D. To a specific port based on the destination MAC address
Correct Answer:
A
Chapter: 145
Q1673:
Fill in the blank: Broadcasts are sometimes necessary for initially locating other devices and network services, but they also _______ network efficiency.
A. Reduce
B. Increase
C. Stabilize
D. Improve
Correct Answer:
A
Chapter: 145
Q1674:
How can too many broadcasts affect network performance?
A. They can cause congestion and slow down network performance.
B. They increase the overall network speed.
C. They have no impact on network performance.
D. They only affect non-critical network services.
Correct Answer:
A
Chapter: 146
Q1675:
What is the first step in the boot sequence of a Cisco switch?
A. Load the IOS operating system
B. Perform a power-on self-test (POST)
C. Initialize the flash file system
D. Load the boot loader software
Correct Answer:
B
Chapter: 146
Q1676:
Fill in the blank: The boot loader initializes the CPU _______ and the flash file system.
A. Registers
B. Ports
C. Interfaces
D. Switches
Correct Answer:
A
Chapter: 146
Q1677:
How does the boot loader find the Cisco IOS image?
A. By using the BOOT environment variable
B. By searching for files in the flash file system
C. By loading it from external storage
D. By using a pre-configured URL
Correct Answer:
A
Chapter: 146
Q1678:
Fill in the blank: In a depth-first search of the file system, the search begins at the first _______ directory.
A. Top-level
B. Sub-level
C. Intermediate
D. Bottom-level
Correct Answer:
A
Chapter: 146
Q1679:
What command is used to check the current IOS boot file setting?
A. show bootvar
B. show running-config
C. show version
D. show interfaces
Correct Answer:
A
Chapter: 146
Q1680:
Fill in the blank: To prepare a switch for remote management, it must be configured with an IP address, subnet mask, and a _______.
A. Default gateway
B. Port number
C. VLAN ID
D. Static route
Correct Answer:
A