Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 135
Q1561:
What is the primary configuration command for port forwarding in IOS?
A. ip nat inside source static tcp local-ip local-port global-ip global-port
B. ip nat inside source list acl-# pool pool-name
C. ip nat inside source static inside-local inside-global
D. ip nat outside source dynamic global-ip
Correct Answer:
A
Chapter: 135
Q1562:
Fill in the blank: The local-ip parameter in port forwarding configuration represents the _______ address assigned to the inside host.
A. IPv4
B. IPv6
C. MAC
D. DNS
Correct Answer:
A
Chapter: 135
Q1563:
What range of port numbers can be set for the local-port parameter?
A. 1-65535
B. 1-1023
C. 1024-49151
D. 49152-65535
Correct Answer:
A
Chapter: 135
Q1564:
What does the extendable option allow in port forwarding configuration?
A. Extends the translation to more than one port if necessary
B. Reduces the number of ports used
C. Changes the global IP address
D. Limits the number of connections
Correct Answer:
A
Chapter: 135
Q1565:
Fill in the blank: The global-port parameter is the port number the _______ client will use to reach the internal server.
A. Outside
B. Inside
C. Local
D. Internal
Correct Answer:
A
Chapter: 135
Q1566:
Which parameter in the port forwarding command specifies if the traffic is TCP or UDP?
A. tcp or udp
B. local-ip
C. local-port
D. global-port
Correct Answer:
A
Chapter: 135
Q1567:
What is the purpose of specifying a global-ip in port forwarding?
A. To define the port number the outside client will use
B. To set the IP address of the inside host
C. To specify the port number the server is listening on
D. To allow the router to extend the translation
Correct Answer:
A
Chapter: 135
Q1568:
Fill in the blank: Port forwarding helps to forward traffic addressed to a specific _______ from one network node to another.
A. Network port
B. IP address
C. DNS name
D. MAC address
Correct Answer:
A
Chapter: 136
Q1569:
What does NAT Pool Overload (PAT) allow?
A. Many inside addresses to use one global address
B. One inside address to use many global addresses
C. Only static address translation
D. Only dynamic address translation
Correct Answer:
A
Chapter: 136
Q1570:
Fill in the blank: PAT configures a _______ to allow multiple inside addresses to share a single global address.
A. NAT pool
B. Static NAT
C. Dynamic NAT
D. Standard ACL
Correct Answer:
A
Chapter: 136
Q1571:
What is the primary benefit of using PAT?
A. Allows multiple local addresses to share a single global address
B. Provides static IP addresses for local devices
C. Reduces the need for a NAT pool
D. Configures a one-to-one address mapping
Correct Answer:
A
Chapter: 136
Q1572:
Fill in the blank: The command used to configure PAT includes the option ip nat inside source list followed by the _______ command.
A. pool pool-name
B. static inside-local inside-global
C. dynamic global config
D. acl-#
Correct Answer:
A
Chapter: 136
Q1573:
What does the ip nat inside source list command specify in PAT configuration?
A. The ACL to identify addresses to be translated
B. The global IP address for translation
C. The range of ports used for translation
D. The static local IP address
Correct Answer:
A
Chapter: 136
Q1574:
Fill in the blank: In PAT, an inside local address is mapped to a global address using a specific _______ number.
A. Port
B. IP
C. MAC
D. DNS
Correct Answer:
A
Chapter: 136
Q1575:
What is required to configure NAT Pool Overload in a network?
A. A NAT pool of global addresses
B. A static NAT mapping
C. A standard ACL for address identification
D. A dynamic NAT pool
Correct Answer:
A
Chapter: 136
Q1576:
Fill in the blank: The NAT Pool Overload configuration is essential for _______ address conservation.
A. Global IPv4
B. Local IPv6
C. Global IPv6
D. Local IPv4
Correct Answer:
A
Chapter: 136
Q1577:
What does PAT configuration use to track multiple conversations?
A. Extended table entries
B. IP address pools
C. Static mappings
D. ACLs
Correct Answer:
A
Chapter: 136
Q1578:
Fill in the blank: To configure PAT, you need to specify the global address range and the _______ to be used.
A. Inside local addresses
B. Inside global addresses
C. NAT pool
D. ACL list
Correct Answer:
C
Chapter: 137
Q1579:
What is the primary function of NAT Pool Overload (PAT)?
A. Allow multiple local addresses to share a single global address
B. Assign a unique global address to each local address
C. Configure a static NAT mapping
D. Manage dynamic IP address allocation
Correct Answer:
A
Chapter: 137
Q1580:
Fill in the blank: To configure PAT, you need to use the ip nat inside source list command with the _______ command.
A. pool pool-name
B. static inside-local inside-global
C. dynamic global config
D. acl-#
Correct Answer:
A