Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 137
Q1581:
What does PAT use to differentiate multiple connections from the same local IP address?
A. Port numbers
B. MAC addresses
C. IP address pools
D. DNS records
Correct Answer:
A
Chapter: 137
Q1582:
Fill in the blank: In PAT, each translation entry consumes about _______ bytes of router DRAM.
A. 160
B. 200
C. 250
D. 300
Correct Answer:
A
Chapter: 137
Q1583:
What is the purpose of configuring a NAT pool in PAT?
A. To provide a range of global addresses for translation
B. To set up static IP address mappings
C. To configure dynamic address translation
D. To limit the number of translations
Correct Answer:
A
Chapter: 137
Q1584:
Fill in the blank: The ip nat pool command is used to define a range of _______ addresses for PAT.
A. Global
B. Local
C. Dynamic
D. Static
Correct Answer:
A
Chapter: 137
Q1585:
How does PAT manage translation for multiple local addresses using one global address?
A. By using different port numbers
B. By assigning unique global addresses
C. By employing a single static mapping
D. By creating multiple NAT pools
Correct Answer:
A
Chapter: 137
Q1586:
Fill in the blank: The NAT Pool Overload configuration helps conserve _______ addresses.
A. Global IPv4
B. Local IPv4
C. Local IPv6
D. Global IPv6
Correct Answer:
A
Chapter: 137
Q1587:
What is a typical use case for NAT Pool Overload (PAT)?
A. When many local devices need to access the Internet using a single global IP
B. When each local device requires a unique global IP address
C. When static NAT mappings are needed for servers
D. When addressing in a local network needs to be conserved
Correct Answer:
A
Chapter: 137
Q1588:
Fill in the blank: PAT keeps track of different conversations by mapping TCP and UDP _______ in the translation table.
A. Port numbers
B. IP addresses
C. MAC addresses
D. DNS entries
Correct Answer:
A
Chapter: 138
Q1589:
What does NAT Pool Overload (PAT) enable for multiple local devices?
A. Sharing a single global IP address
B. Assigning unique global IP addresses to each local device
C. Configuring static NAT mappings
D. Managing dynamic IP address allocation
Correct Answer:
A
Chapter: 138
Q1590:
Fill in the blank: To configure NAT Pool Overload (PAT) in Packet Tracer, you need to use the command ip nat inside source list with the _______ keyword.
A. pool
B. static
C. dynamic
D. acl-#
Correct Answer:
A
Chapter: 138
Q1591:
How does NAT Pool Overload handle multiple connections from the same local IP address?
A. By using unique port numbers
B. By assigning different global IP addresses
C. By configuring static IP mappings
D. By employing different NAT pools
Correct Answer:
A
Chapter: 138
Q1592:
Fill in the blank: The NAT Pool Overload configuration helps in conserving _______ addresses.
A. Global IPv4
B. Local IPv4
C. Local IPv6
D. Global IPv6
Correct Answer:
A
Chapter: 138
Q1593:
What is the main benefit of using NAT Pool Overload (PAT) in a network?
A. To allow multiple local devices to share a single global IP address
B. To provide each local device with a unique global IP address
C. To configure static NAT for internal servers
D. To manage IP address allocation dynamically
Correct Answer:
A
Chapter: 138
Q1594:
Fill in the blank: The command ip nat pool is used to define a range of _______ addresses for NAT Pool Overload.
A. Global
B. Local
C. Dynamic
D. Static
Correct Answer:
A
Chapter: 138
Q1595:
In a PAT configuration, what does the extendable option do?
A. Allows the router to extend the translation to more than one port
B. Limits translation to a single port only
C. Configures a static NAT mapping
D. Manages dynamic IP address allocation
Correct Answer:
A
Chapter: 138
Q1596:
Fill in the blank: Each NAT translation entry typically consumes about _______ bytes of router DRAM.
A. 160
B. 200
C. 250
D. 300
Correct Answer:
A
Chapter: 138
Q1597:
Fill in the blank: PAT configuration can be verified using the _______ command to ensure correct address translation.
A. show ip nat translations
B. show ip nat pool
C. show ip nat inside
D. show ip route
Correct Answer:
A
Chapter: 139
Q1598:
Ethernet operates in which OSI layers?
A. Data Link and Physical
B. Network and Transport
C. Application and Presentation
D. Session and Application
Correct Answer:
A
Chapter: 139
Q1599:
Fill in the blank: The Ethernet standard for 1 Gb/s is defined in IEEE 802.3 as _______.
A. Gigabit Ethernet
B. Fast Ethernet
C. 10 Gigabit Ethernet
D. 40 Gigabit Ethernet
Correct Answer:
A
Chapter: 139
Q1600:
What are the two sublayers of the Ethernet data link layer?
A. LLC and MAC
B. Network and Transport
C. Physical and Application
D. Data and Network
Correct Answer:
A