System Administrator 2026
Attempt This Past Paper
The header length of an IPv6 datagram is ___________
  • A. 10bytes
  • B. 25bytes
  • C. 30bytes
  • D. 40bytes
In an IPv6 header, the traffic class field is similar to which field in the IPv4 header?
  • A. Fragmentation field
  • B. Fast switching
  • C. Tos field
  • D. Option field
IPv6 does not use ________ type of address.
  • A. Broadcast
  • B. Multicast
  • C. Any cast
  • D. Unicast
If one or more devices use a common set of wires to communicate with the computer system, the connection is called ______
  • A. Cpu
  • B. Monitor
  • C. Wirefull
  • D. Bus
A ____ a set of wires and a rigidly defined protocol that specifies a set of messages that can be sent on the wires.
  • A. Port
  • B. Node
  • C. Bus
  • D. None of the mentioned
When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a _________
  • A. Port
  • B. Daisy chain
  • C. Bus
  • D. Cable
The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
  • A. Devices
  • B. Buses
  • C. Device drivers
  • D. I/o systems
A ________ is a collection of electronics that can operate a port, a bus, or a device.
  • A. Controller
  • B. Driver
  • C. Host
  • D. Bus
An I/O port typically consists of four registers status, control, ________ and ________ registers.
  • A. System in, system out
  • B. Data in, data out
  • C. Flow in, flow out
  • D. Input, output
The ______ register is read by the host to get input.
  • A. Flow in
  • B. Flow out
  • C. Data in
  • D. Data out
Word of the Day
18 Jun
Betray
expose (one’s country, a group, or a person) to danger by treacherously giving information to an enemy.
دغا دینا، غداری کرنا، ساتھ چھوڑنا

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