networking mcqs

MCQS Submitted By
Q: For a telephone line, the bandwidth for voice is usually _______ the bandwidth for data. ?
  • A: Less than
  • B: Greater than
  • C: Twice
  • D: Equivalent to
Test Selected: nts
Asif Ali
Q: Modulation of an analog signal can be accomplished through changing the ________ of the carrier signal. ?
  • A: Amplitude
  • B: Frequency
  • C: Phase
  • D: Any of the above
Test Selected: nts
Asif Ali
Q: The bandwidth of an FM signal requires 10 times the bandwidth of the _______ signal. ?
  • A: Bipolar
  • B: Sampling
  • C: Carrier
  • D: Modulating
Test Selected: ministry of defence jobs
Shahida Parveen
Q: When an ASK signal is decomposed, the result is ________. ?
  • A: An infinite number of sine waves
  • B: Always one sine wave
  • C: Always two sine waves
  • D: None of the above
Test Selected: nts
Asif Ali
Q: If FCC regulations are followed, ________ potential FM stations are theoretically possible in a given area. ?
  • A: 50
  • B: 100
  • C: 133
  • D: 150
Test Selected: nts
Kashif Khan
Q: If FCC regulations are followed, the carrier frequencies of adjacent AM radio stations are ________ apart. ?
  • A: 5 KHz
  • B: 10 KHz
  • C: 200 KHz
  • D: 530 KHz
Test Selected: fpsc
Raza Khan
Q: A modulated signal is formed by ________. ?
  • A: Changing the carrier wave by the modulating signal
  • B: Quantization of the source data
  • C: Changing the modulating signal by the carrier wave
  • D: Sampling at the Nyquist frequency
Test Selected: nts
Latif Anwar
Q: LAN stands for______________ ?
  • A: Limited Area Network
  • B: Logical Area Network
  • C: Local Area Network
  • D: Large Area Network
Test Selected: ministry of defence jobs
Aamir Ali
Q: _______ is the function of DSLAM is ?
  • A: Convert digital signals into analog signals
  • B: Convert analog signals into digital signals
  • C: Amplify digital signals
  • D: None of these
Test Selected: nts
Imran Ali
Q: Which network is used to extend a private network across public networks ?
  • A: Local area network
  • B: Enterprise private network
  • C: Storage area network
  • D: Virtual private network
Test Selected: nts
Imran Ali
Q: Network congestion occurs when______ ?
  • A: When a system terminates
  • B: When connection between two nodes terminates
  • C: None of the mentioned
  • D: In case of traffic overloading
Test Selected: nts
Asif Ali
Q: The number of protocols used by a system, one protocol per layer, is known as ?
  • A: Protocol architecture
  • B: Protocol suite
  • C: Protocol stack
  • D: None of these
Test Selected: nts
Asif Ali
Q: Which device is used to forward packets b/w networks by processing the information included in the packet ?
  • A: Router
  • B: Bridge
  • C: Firewall
  • D: Hub
Test Selected: fpsc
Asif Ali
Q: Bluetooth is an example of ?
  • A: local area network
  • B: virtual private network
  • C: personal area network
  • D: Both A and B
Test Selected: fpsc
Sadia Khan
Q: In computer network nodes are ?
  • A: the computer that originates the data
  • B: the computer that routes the data
  • C: the computer that terminates the data
  • D: all of the mentioned
Test Selected: ministry of defence jobs
Aamir Aziz
Q: Which network is built on the top of other networks ?
  • A: overlay network
  • B: prior network
  • C: chief network
  • D: prime network
Test Selected: nts
Asif Ali
Q: When a variety of varied PCís work in a single coherent system to its consumer, then itís known as ?
  • A: computer network
  • B: networking system
  • C: distributed system
  • D: Both A and B
Test Selected: ppsc
Sajid Khan
Q: In which connection, three or more devices share a link ?
  • A: Unipoint
  • B: Point to point
  • C: Multipoint
  • D: None of these
Test Selected: nts
Salim Ahmad
Q: A set of rules that governs data communication ?
  • A: Standards
  • B: RFCs
  • C: Protocols
  • D: None of these
Test Selected: nts
Imran Ali
Q: What does the passive command provide to dynamic routing protocols ?
  • A: Stops an interface from sending or receiving periodic dynamic updates.
  • B: Stops an interface from sending periodic dynamic updates but not from receiving updates.
  • C: Stops the router from receiving any dynamic updates.
  • D: Stops the router from sending any dynamic updates.
Test Selected: nts
Aamir Aziz
Q: Which protocol is used to send a destination network unknown message back to originating hosts ?
  • A: TCP
  • B: ARP
  • C: ICMP
  • D: BootP
Test Selected: nts
Salim Ahmad
Q: How often are BPDUs sent from a layer 2 device ?
  • A: Never
  • B: Every 2 seconds
  • C: Every 10 minutes
  • D: Every 30 seconds
Test Selected: nts
Sadia Khan
Q: What does the command routerA(config)#line cons 0 allow you to perform next ?
  • A: Set the Telnet password.
  • B: Shut down the router.
  • C: Set your console password.
  • D: Disable console connections.
Test Selected: nts
Shahid Khan
Q: Which router command allows you to view the entire contents of all access lists ?
  • A: show all access-lists
  • B: show access-lists
  • C: show ip interface
  • D: show interface
Test Selected: ministry of defence jobs
Kashif Khan
Q: Which class of IP address has the most host addresses available by default ?
  • A: A
  • B: B
  • C: C
  • D: A and B
Test Selected: nts
Latif Anwar
Q: In a network with dozens of switches, how many root bridges would you have ?
  • A: 1
  • B: 2
  • C: 5
  • D: 12
Test Selected: nts
Imran Ali
Q: What PPP protocol provides dynamic addressing, authentication, and multilink ?
  • A: NCP
  • B: HDLC
  • C: LCP
  • D: X.25
Test Selected: fpsc
Rabia
Q: What is a stub network ?
  • A: A network with more than one exit point.
  • B: A network with more than one exit and entry point
  • C: A network with only one entry and no exit point.
  • D: A network that has only one entry and exit point.
Test Selected: nts
Zoha Shah
Q: You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue ?
  • A: Router> ping
  • B: Router> trace
  • C: Router> show ip route
  • D: Router> show interface
Test Selected: ppsc
Zia Farid
Q: The configuration register setting of 0x2102 provides what function to a router ?
  • A: Tells the router to boot into ROM monitor mode
  • B: Provides password recovery
  • C: Tells the router to look in NVRAM for the boot sequence
  • D: Boots the IOS from a TFTP server
Test Selected: pts
Rashid Bhatti
Q: You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in ?
  • A: close
  • B: disable
  • C: disconnect
  • D: exit
Test Selected: nts
Imran Ali
Q: Which command displays the configuration register setting ?
  • A: show ip route
  • B: show boot version
  • C: show version
  • D: show flash
Test Selected: nts
Rabia
Q: The following term is not associted with DSL ?
  • A: DSLAM
  • B: CO
  • C: Splitter
  • D: CMTS
Test Selected: fpsc
Irshad Habib
Q: HFC contains ?
  • A: Fibre cable
  • B: Coaxial cable
  • C: Both of the mentioned
  • D: None of the mentioned
Test Selected: fpsc
Imran Ali
Q: Among the optical-distribution architectures that is essentially switched ehternet is ?
  • A: AON
  • B: PON
  • C: NON
  • D: None of the mentioned
Test Selected: nts
Rabia Anam
Q: StarBand provides ?
  • A: FTTH internet access
  • B: Cable access
  • C: Telephone access
  • D: Satellite access
Test Selected: nts
Rashid Bhatti
Q: The IETF standards documents are called ?
  • A: RFC
  • B: RCF
  • C: ID
  • D: None of the mentioned
Test Selected: nts
Asif Ali
Q: In the layer hierarchy as the data packet moves from the upper to the lower layers headers are ?
  • A: Added
  • B: Removed
  • C: Rearranged
  • D: Modified
Test Selected: nts
Aamir Aziz
Q: The communication channel is shared by all the machines on the network in ?
  • A: broadcast network
  • B: unicast network
  • C: multicast network
  • D: none of the mentioned
Test Selected: ppsc
Zoha Shah
Q: Bluetooth is an example of ?
  • A: personal area network
  • B: local area network
  • C: virtual private network
  • D: none of the mentioned
Test Selected: fpsc
Zia Farid
Q: The _______ layer changes bits into electromagnetic signals. ?
  • A: Physical
  • B: Transport
  • C: None of the above
  • D: Data link
Test Selected: nts
Asif Ali
Q: A _______ connection provides a dedicated link between two devices. ?
  • A: Multi-point
  • B: Point-to-Point
  • C: Primary
  • D: Secondary
Test Selected: nts
Salim Ahmad
Q: Which topology requires a multipoint connection ?
  • A: Mesh
  • B: Star
  • C: Ring
  • D: Bus
Test Selected: FPSC
Asif Ali
Q: An unauthorized user is a network _______ issue. ?
  • A: Performance
  • B: Reliability
  • C: Security
  • D: All of the above
Test Selected: nts
Asif Ali
Q: In _______ transmission, the channel capacity is shared by both communicating devices at all times. ?
  • A: Full-duplex
  • B: Simplex
  • C: Half-duplex
  • D: Half-Simplex
Test Selected: nts
Rabia
Q: Frequency of failure and network recovery time after a failure are measures of the _______ of a network. ?
  • A: Performance
  • B: Security
  • C: Reliability
  • D: Feasibility
Test Selected: nts
Sadia Khan
Q: Which organization has authority over interstate and international commerce in the communications field ?
  • A: ITU-T
  • B: IEEE
  • C: ISO
  • D: FCC
Test Selected: ppsc
Asif Ali
Q: Which topology requires a central controller or hub ?
  • A: Star
  • B: Mesh
  • C: Bus
  • D: Ring
Test Selected: nts
Aamir Aziz
Q: In a network with 25 computers, which topology would require the most extensive cabling ?
  • A: Star
  • B: Mesh
  • C: Bus
  • D: None of these
Test Selected: nts
Imran Ali
Q: Communication between a computer and a keyboard involves ______________ transmission ?
  • A: Full-duplex
  • B: Half-duplex
  • C: Simplex
  • D: None of these
Test Selected: nts
Zoha Shah
Q: In a _______ connection, more than two devices can share a single link. ?
  • A: Point-to-point
  • B: Primary
  • C: Multi-point
  • D: Secondary
Test Selected: nts
Asif Ali
Q: -------- is the technology that connects the machines and people within a site in a small area. ?
  • A: LAN
  • B: MAN
  • C: WAN
  • D: None of these
Test Selected: nts
Zia Arif
Q: ATM stands for: ?
  • A: Automatic taller machine
  • B: Automated taller machine
  • C: Automatic transfer machine
  • D: Automated transfer machine
Test Selected: fpsc
Aamir Khan
Q: The first operational computer network in the world was the ------- for the United States Department of Defense ?
  • A: Arpanet
  • B: Ernet
  • C: Skynet
  • D: Darpanet
Test Selected: wapda nts
Asif Ali
Q: A computer network permits sharing of ?
  • A: Resources
  • B: Information
  • C: Both a & b
  • D: None of these
Test Selected: wapda nts
Asif Ali

About networking mcqs

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