Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 139
Q1601:
Fill in the blank: The MAC sublayer is implemented by _______ in Ethernet.
A. Hardware
B. Software
C. Firmware
D. Middleware
Correct Answer:
A
Chapter: 139
Q1602:
What is the main responsibility of the MAC sublayer?
A. Data encapsulation and Media access control
B. Data encryption and Error detection
C. Network addressing and Routing
D. Packet switching and Fragmentation
Correct Answer:
A
Chapter: 139
Q1603:
Fill in the blank: Data encapsulation in Ethernet includes adding a header and _______ to the network layer PDU.
A. Trailer
B. Footer
C. Checksum
D. Identifier
Correct Answer:
A
Chapter: 139
Q1604:
What does the CRC in Ethernet frames help to detect?
A. Errors in frame contents
B. Frame synchronization
C. MAC address conflicts
D. Network congestion
Correct Answer:
A
Chapter: 139
Q1605:
Fill in the blank: CSMA/CA is used in _______ networking technologies.
A. Wireless
B. Wired
C. Optical
D. Fiber
Correct Answer:
A
Chapter: 139
Q1606:
What is the role of the MAC address in an Ethernet network?
A. Identifying the source and destination nodes
B. Routing packets between networks
C. Encrypting data for security
D. Managing network congestion
Correct Answer:
A
Chapter: 139
Q1607:
Fill in the blank: In CSMA/CD, if a collision is detected, all devices will _______ and try to send again later.
A. Stop sending
B. Continue sending
C. Reset their connection
D. Increase their transmission speed
Correct Answer:
A
Chapter: 139
Q1608:
What is the purpose of the Organizationally Unique Identifier (OUI) in MAC addresses?
A. To ensure globally unique addresses for each Ethernet device
B. To identify the network type used
C. To manage IP address allocation
D. To encrypt data in transmission
Correct Answer:
A
Chapter: 139
Q1609:
Fill in the blank: Ethernet's Logical Link Control (LLC) sublayer handles communication between the _______ and the lower layers.
A. Networking software
B. Network hardware
C. Transmission media
D. Data link protocols
Correct Answer:
A
Chapter: 139
Q1610:
What happens if two devices transmit data simultaneously in an Ethernet network using CSMA/CD?
A. A collision occurs, and the data must be resent
B. Data is successfully transmitted
C. The network speeds up
D. The devices disconnect
Correct Answer:
A
Chapter: 140
Q1611:
What is the format of an Ethernet MAC address?
A. 48-bit binary value expressed as 12 hexadecimal digits
B. 64-bit binary value expressed as 16 hexadecimal digits
C. 32-bit binary value expressed as 8 hexadecimal digits
D. 24-bit binary value expressed as 6 hexadecimal digits
Correct Answer:
A
Chapter: 140
Q1612:
Fill in the blank: The MAC address is similar to a person's _______ because it does not change.
A. Name
B. Address
C. Phone number
D. Email
Correct Answer:
A
Chapter: 140
Q1613:
What type of MAC address is used to send a message to all devices on a network segment?
A. Broadcast MAC Address
B. Unicast MAC Address
C. Multicast MAC Address
D. Dynamic MAC Address
Correct Answer:
A
Chapter: 140
Q1614:
Fill in the blank: The process of using MAC and IP addresses to identify a device is similar to using a _______ and address to send a letter.
A. Name
B. Phone number
C. Email
D. Social Security number
Correct Answer:
A
Chapter: 140
Q1615:
What protocol is used to map IP addresses to MAC addresses?
A. Address Resolution Protocol (ARP)
B. Dynamic Host Configuration Protocol (DHCP)
C. Internet Control Message Protocol (ICMP)
D. File Transfer Protocol (FTP)
Correct Answer:
A
Chapter: 140
Q1616:
Fill in the blank: The IP address of a destination device is often determined through _______.
A. Domain Name Service (DNS)
B. Address Resolution Protocol (ARP)
C. Simple Mail Transfer Protocol (SMTP)
D. Dynamic Host Configuration Protocol (DHCP)
Correct Answer:
A
Chapter: 140
Q1617:
What is the role of MAC addresses in Ethernet networks?
A. To identify source and destination hosts at a lower level
B. To route packets between networks
C. To encrypt data for security
D. To manage IP address allocation
Correct Answer:
A
Chapter: 140
Q1618:
Fill in the blank: The MAC address on a host NIC is considered the _______ address.
A. Physical
B. Logical
C. Network
D. Dynamic
Correct Answer:
A
Chapter: 140
Q1619:
What is the purpose of the ARP protocol?
A. To associate IP addresses with MAC addresses
B. To allocate IP addresses to devices
C. To manage network traffic
D. To provide encryption for data packets
Correct Answer:
A
Chapter: 140
Q1620:
Fill in the blank: A device uses _______ to determine the best path to a destination based on IP addresses.
A. Routers
B. Switches
C. Hubs
D. Modems
Correct Answer:
A