Q. In which layer of the OSI model does IP routing operate?
-
A.
Application layer
-
B.
Transport layer
-
C.
Network layer
-
D.
Data link layer
Solution
IP routing operates at the Network layer (Layer 3) of the OSI model.
Correct Answer:
C
— Network layer
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Q. What does a router use to make forwarding decisions?
-
A.
MAC address table
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B.
Routing table
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C.
ARP cache
-
D.
DNS records
Solution
A router uses a routing table to make forwarding decisions based on the destination IP address of packets.
Correct Answer:
B
— Routing table
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Q. What does a router use to make routing decisions?
-
A.
MAC addresses
-
B.
IP addresses
-
C.
Port numbers
-
D.
DNS records
Solution
Routers use IP addresses to make routing decisions and determine the best path for data packets.
Correct Answer:
B
— IP addresses
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Q. What is the main advantage of dynamic routing over static routing?
-
A.
Easier to configure
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B.
More secure
-
C.
Automatically adapts to network changes
-
D.
Requires less bandwidth
Solution
Dynamic routing automatically adapts to network changes, making it more flexible than static routing.
Correct Answer:
C
— Automatically adapts to network changes
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Q. What is the maximum hop count for RIP?
Solution
The maximum hop count for RIP is 15; a hop count of 16 is considered unreachable.
Correct Answer:
B
— 15
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Q. What is the primary purpose of IP routing?
-
A.
To establish a connection between two devices
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B.
To determine the best path for data packets
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C.
To encrypt data during transmission
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D.
To manage network traffic
Solution
IP routing is primarily used to determine the best path for data packets to travel across networks.
Correct Answer:
B
— To determine the best path for data packets
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Q. What is the purpose of a routing table?
-
A.
To store user credentials
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B.
To keep track of network devices
-
C.
To map IP addresses to MAC addresses
-
D.
To determine the next hop for data packets
Solution
A routing table is used to determine the next hop for data packets based on their destination IP addresses.
Correct Answer:
D
— To determine the next hop for data packets
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Q. What is the purpose of subnetting in IP routing?
-
A.
To increase the size of the broadcast domain
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B.
To improve network performance and security
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C.
To simplify routing protocols
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D.
To assign static IP addresses
Solution
Subnetting is used to divide a larger network into smaller, manageable sub-networks, improving performance and security by reducing broadcast domains.
Correct Answer:
B
— To improve network performance and security
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Q. What is the purpose of the ICMP protocol in IP routing?
-
A.
To establish connections
-
B.
To provide error messages and operational information
-
C.
To encrypt data
-
D.
To manage bandwidth
Solution
ICMP (Internet Control Message Protocol) is used to send error messages and operational information about IP processing.
Correct Answer:
B
— To provide error messages and operational information
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Q. What is the role of a routing protocol?
-
A.
To encrypt data packets
-
B.
To determine the best path for data
-
C.
To manage user authentication
-
D.
To provide a physical connection
Solution
Routing protocols determine the best path for data packets to travel through a network.
Correct Answer:
B
— To determine the best path for data
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Q. What type of address is used to identify a device on a network?
-
A.
MAC address
-
B.
IP address
-
C.
Both MAC and IP address
-
D.
None of the above
Solution
An IP address is used to identify a device on a network, while a MAC address identifies a device at the data link layer.
Correct Answer:
C
— Both MAC and IP address
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Q. Which layer of the OSI model does IP routing operate at?
-
A.
Application layer
-
B.
Transport layer
-
C.
Network layer
-
D.
Data link layer
Solution
IP routing operates at the Network layer of the OSI model.
Correct Answer:
C
— Network layer
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Q. Which of the following is a characteristic of static routing?
-
A.
Automatically adjusts to network changes
-
B.
Requires manual configuration
-
C.
Uses routing protocols to find paths
-
D.
Is less secure than dynamic routing
Solution
Static routing requires manual configuration and does not automatically adjust to network changes.
Correct Answer:
B
— Requires manual configuration
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Q. Which of the following is a common dynamic routing protocol?
-
A.
RIP
-
B.
HTTP
-
C.
FTP
-
D.
Telnet
Solution
RIP (Routing Information Protocol) is a common dynamic routing protocol used to facilitate automatic route updates.
Correct Answer:
A
— RIP
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Q. Which of the following protocols is used for exchanging routing information between different autonomous systems?
-
A.
OSPF
-
B.
BGP
-
C.
RIP
-
D.
EIGRP
Solution
BGP (Border Gateway Protocol) is used for exchanging routing information between different autonomous systems.
Correct Answer:
B
— BGP
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Q. Which protocol is commonly used for routing in IP networks?
-
A.
HTTP
-
B.
FTP
-
C.
BGP
-
D.
SMTP
Solution
BGP (Border Gateway Protocol) is commonly used for routing between different autonomous systems in IP networks.
Correct Answer:
C
— BGP
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