BPSC TRE Computer Networks - Full Length Test 2 ⋆ CSE Study247

Question 96

MCQ · Single Correct 1 mark

Previous Year Question BPSC TRE 1.0 PYQ

Which port does the Trivial File Transfer Protocol (TFTP) listen on for incoming client requests?

A (A) TCP Port 20 B (B) TCP Port 21 C (C) UDP Port 69 D (D) More than one of the above E (E) None of the above

Question 97

MCQ · Single Correct 1 mark

Which networking device operates strictly at Layer 1 (Physical Layer) to regenerate attenuated digital bit signals?

A (A) Switch B (B) Repeater C (C) Router D (D) More than one of the above E (E) None of the above

Question 98

MCQ · Single Correct 1 mark

What is the primary purpose of Virtual Local Area Networks (VLANs) created on Layer-2 network switches?

A (A) To double the bandwidth of copper wires B (B) To assign dynamic public IP addresses to hosts C (C) To logically segment a physical local area network into multiple distinct broadcast domains D (D) More than one of the above E (E) None of the above

Question 99

MCQ · Single Correct 1 mark

Which IEEE standard governs the tagging of Ethernet frames with a 4-byte header identifying VLAN membership across trunk links?

A (A) IEEE 802.1D B (B) IEEE 802.1Q C (C) IEEE 802.11 D (D) More than one of the above E (E) None of the above

Question 100

MCQ · Single Correct 1 mark

What is the primary difference between symmetric key cryptography and asymmetric key cryptography?

A (A) Symmetric requires no mathematical algorithms B (B) Asymmetric is significantly faster than symmetric cryptography C (C) Symmetric uses the same secret key for both encryption and decryption, while asymmetric uses a public/private key pair D (D) More than one of the above E (E) None of the above