Which command is used to test network connectivity between two hosts? MCQ with Answer and Explanation

Question
Which command is used to test network connectivity between two hosts?
A. ipconfig
B. ping
C. tracert
D. nslookup
Answer: Option B
Solution (By JKSSB Mock Tests)
ping sends ICMP echo requests to test connectivity.
This question belongs to: Computer Computer Networking
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Practice More Computer Networking Questions

Question #1
Which hardware device works at Layer 3 of the OSI model, tracking network path metrics to route packets across separate networks?
A. Layer 2 Bridge
B. Layer 1 Repeater
C. Passive Hub Array
D. Layer 3 Router
Discuss
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Correct Answer: Option D

Explanation:
Routers operate at the Network Layer (Layer 3), managing data routing across separate subnets based on logical destination IP addresses.
This question belongs to: Computer Computer Networking
Question #2
Which OSI layer is responsible for error detection and correction at the data link layer?
A. Network layer
B. Transport layer
C. Physical layer
D. Data link layer
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Correct Answer: Option D

Explanation:
The data link layer performs error detection (and sometimes correction) using frame check sequences.
This question belongs to: Computer Computer Networking
Question #3
Which mechanism enables an internet router to modify packet headers, allowing thousands of private internal LAN hosts to navigate the web through a single public IP address?
A. Domain Name mapping
B. Network Address Translation (NAT)
C. Address Resolution lookup
D. DHCP lease management
Discuss
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Correct Answer: Option B

Explanation:
NAT converts private internal IP addresses to a public IP address, conserving IPv4 space and adding an extra layer of internal security.
This question belongs to: Computer Computer Networking
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