IPv6 is designed to allow extension of the _________

• A. Protocol
• B. Dataset
• C. Headers
• D. Routes

In IPv6, base header can be followed by, up to _________

• A. Six extension layers
• B. Six extension headers
• C. Eight extension headers
• D. Eight extension layers

In an IPv6 datagram, M bit is 0, value of HLEN is 5, value of total length is 200 and offset value is ___________

• A. 400
• B. 350
• C. 300
• D. 200

To access the services of operating system, the interface is provided by the ___________

• A. System calls
• B. Api
• C. Library
• D. Assembly instructions

Which one of the following error will be handle by the operating system?

• A. Power failure
• B. Lack of paper in printer
• C. Connection failure in the network
• D. All of the mentioned

Which facility dynamically adds probes to a running system, both in user processes and in the kernel?

• A. Dtrace
• B. Dlocate
• C. Dmap
• D. Dadd

The OS X has ____________

• A. Monolithic kernel
• B. Hybrid kernel
• C. Microkernel
• D. Monolithic kernel with modules

A Process Control Block(PCB) does not contain which of the following?

• A. Code
• B. Contains information related to a process such as process state, program counter, cpu register, etc. process control block is also known as task control block. bootstrap program is a program which runs initially when the system or computer is booted or
• C. Bootstrap program
• D. Data

The number of processes completed per unit time is known as __________

• A. Output
• B. Throughput
• C. Efficiency
• D. Capacity

The state of a process is defined by __________

• A. The final activity of the process
• B. The activity just executed by the process
• C. The activity to next be executed by the process
• D. The current activity of the process