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Computer Networks
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0048 (Computer Networks)
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PART - A
PART - B
PART - C
Subject : Computer Networks
BC0048 : PART - B
| Q. 1 | In Synchronous Data Link Control Protocol
(SDLC) up to ____ frames can be sent in a
string with each frame containing up to ____
blocks. |
| | A) | 128, 7 |
| B) | 7, 128 | | C) | 128, 512 | | D) | 512, 7 | | | | | Q. 2 | A device responds to ARP request |
| | A) | By matching its IP address to the destination
IP address contained in the ARP request |
| B) | By matching its MAC address to the
destination MAC address contained in the ARP
request | | C) | By matching its MAC address to the source
MAC address contained in the APR request | | D) | None of the above | | | | | Q. 3 | An Access control mechanism processes
user’s requests for resources in 3 steps they are |
| | A) | Identification, Authentication, Actions |
| B) | Authentication, Identification, Actions | | C) | Actions, Authentication, Identification | | D) | Identification, Actions, Authentication | | | | | Q. 4 | IN 80H instruction has ____ memory cycles
and when this instruction is executed ____
process occurs |
| | A) | 2, 80 is copied to accumulator |
| B) | 1, 80 is copied to memory location | | C) | 3, copies the data at the port 80H into the
accumulator | | D) | 2, copies the data 80H at the port into
memory location | | | | | Q. 5 | When a source is making use of Router as
default gate way it encapsulate the data with
1. MAC address of the Router
2. IP address of destination device
3. MAC address of the destination device
4. IP address of the Router |
| | A) | 2 and 3 |
| B) | 1 and 2 | | C) | 3 and 4 | | D) | 1, 2, 3 and 4 | | | |
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