SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-2 ⋆ CSE Study247

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-2

Questions 176-180 of 200

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Question 176

MCQ · Single Correct 1 mark

[Q.76] What is the length of an IPv6 IP address?

A 32 bits B 64 bits C 128 bits D 48 bits

MCQ · Single Correct 1 mark

[Q.77] Which OSI layer is responsible for end-to-end reliability, flow control, and error recovery?

A Transport Layer B Network Layer C Data Link Layer D Application Layer

MCQ · Single Correct 1 mark

[Q.78] What is the MAC address length in Ethernet networks?

A 32 bits (4 bytes) B 64 bits (8 bytes) C 128 bits (16 bytes) D 48 bits (6 bytes)

MCQ · Single Correct 1 mark

[Q.79] Which network protocol maps an IP address to its corresponding physical MAC hardware address?

A RARP B DHCP C ICMP D ARP (Address Resolution Protocol)

MCQ · Single Correct 1 mark

[Q.80] On which port number does the Domain Name System (DNS) service listen by default?

A Port 80 B Port 53 C Port 443 D Port 21