Bihar STET Computer Science - Full-Length Mock Test 4 ⋆ CSE Study247

Bihar STET Computer Science – Full-Length Mock Test 4

Questions 56-60 of 150

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Question 56

MCQ · Single Correct 1 mark

Previous Year Question Bihar STET C.S. 04.11.2025 (Shift-I) PYQ

What is the size of an IPv6 address?

A 32 bits B 128 bits C 64 bits D 256 bits

MCQ · Single Correct 1 mark

Which layer of the OSI 7-layer model handles data format translation, data compression, and encryption/decryption?

A Application Layer B Transport Layer C Session Layer D Presentation Layer

MCQ · Single Correct 1 mark

In network diagnostics, which ICMP message type is sent by a ping utility to test device reachability?

A Echo Request B Echo Reply C Destination Unreachable D Time Exceeded

MCQ · Single Correct 1 mark

What protocol maps dynamic private IP addresses to a single public IP address using transport layer port numbers?

A DHCP B ARP C PAT (Port Address Translation / NAT) D DNS

MCQ · Single Correct 1 mark

Which Data Link Layer MAC sublayer protocol uses carrier sensing and collision detection on Ethernet networks?

A CSMA/CA B CSMA/CD C ALOHA D Token Ring