Which of the following field in IPv4 datagram is not related to fragmentation?

• A. Flags
• B. Offset
• C. Tos
• D. Identifier

The TTL field has value 10. How many routers (max) can process this datagram?

• A. 11
• B. 5
• C. 10
• D. 1

If the value in protocol field is 17, the transport layer protocol used is _____________

• A. Tcp
• B. Udp
• C. Icmp
• D. Igmp

The data field cannot carry which of the following?

• A. Tcp segment
• B. Udp segment
• C. Icmp messages
• D. SMTP messages

Which of these is not applicable for IP protocol?

• A. Connectionless
• B. Offer reliable service
• C. Offer unreliable service
• D. Does not offer error reporting

Which of the following demerits does Fragmentation have?

• A. Complicates routers
• B. Open to dos attack
• C. Overlapping of fragments
• D. All of the mentioned

Which field helps to check rearrangement of the fragments?

• A. Offset
• B. Flag
• C. Ttl
• D. Identifier

What is a reusable resource?

• A. That can be used by one process at a time and is not depleted by that use
• B. That can be used by more than one process at a time
• C. That can be shared between various threads
• D. None of the mentioned

Which of the following condition is required for a deadlock to be possible?

• A. Mutual exclusion
• B. A process may hold allocated resources while awaiting assignment of other resources
• C. No resource can be forcibly removed from a process holding it
• D. All of the mentioned

A system is in the safe state if ____________

• A. The system can allocate resources to each process in some order and still avoid a deadlock
• B. There exist a safe sequence
• C. All of the mentioned
• D. None of the mentioned