CCENT MCQ

Test your knowledge with important CCENT MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more CCENT MCQs at Bissoy

• Which process ensures that the components of the computer are connected properly ?
  ক

  Booting

  খ

  Saving

  গ

  Processing

  ঘ

  Editing
• which IOS command enables access to high-level commands?
  ক

  su root

  খ

  admin 0

  গ

  enable

  ঘ

  init
• The network with ip address 192.168.100.0/27 is to be used on a router. If ip subnet-zero is configured, which statement describe the resulting number of available subnets and hosts?
  ক

  7 usable subnets, each with 32 host addresses

  খ

  8 usable subnets, each with 30 host addresses

  গ

  8 usable subnets, each with 27 host addresses

  ঘ

  7 usable subnets, each with 24 host addresses
• What does a firewall?
  ক

  Examines packets and decides which ones should be allowed to pass from one network to another.

  খ

  Maintains a table which maps the IP addresses of two network so that packets can be redirected between the networks.

  গ

  Compares packets to virus signatures so that packets which are know to be dangerous can be identified and stopped.

  ঘ

  Prevents viruses from moving any further through a network
• What port number is used for FTP control?
  ক

  20

  খ

  21

  গ

  22

  ঘ

  25
• What port number is used for DHCP?
  ক

  67

  খ

  68

  গ

  69

  ঘ

  Both A and B
• If two laptops are exchanging data directly with each other using a 802.11g connection, there are said to be in what mode?
  ক

  Ad-hoc mode.

  খ

  Operational exchange mode.

  গ

  Basic Service Set mode.

  ঘ

  Infrastructure mode.
• Some colleagues are discussing QoS, and are interested in jitter. What is jitter?
  ক

  Jitter refers to the variation in delay experienced by packets

  খ

  Jitter is a flickering effect sometimes seen on streaming video.

  গ

  Jitter is a predefined settings package that provides optimal QoS for IP telephony use.

  ঘ

  Jitter is a clicking noise that can be heard on some VoIP calls. It is caused by loss of UDP packets.
• What does CSMA/CD stand for?
  ক

  Carrier Sense Multiple Action with Collision Detection.

  খ

  Carrier Sense Multiple Access with Collisionless Delivery

  গ

  Carrier Sense Multiple Action with Collision Detonation

  ঘ

  Carrier Sense Multiple Access with Collision Detection
• A device on a network is ready to send a frame. What is the first thing that CSMA/CD logic does?
  ক

  Sends a token out to instruct other devices not to send packets.

  খ

  Sends a jamming signal out to prevent other hosts from sending packets.

  গ

  Sends a discovery message out to find out if the destination host is on the same subnet.

  ঘ

  Listens to see if the Ethernet is busy.
• What is meant by same layer interaction
  ক

  That a packet is forwarded to a different host that resides in the same layer of the Cisco three layer hierarchical model.

  খ

  That an interaction occurs within a single layer of a networking model and that no other layers or devices take any part in the interaction.

  গ

  An interaction that progresses up or down only one level of a networking model.

  ঘ

  That two computers use a protocol defined at the same layer of a networking model to communicate with each other.
• Which layer of the OSI model is associated with HDLC, Frame Relay and PPP?
  ক

  The Physical Layer

  খ

  The Data Link layer

  গ

  The Transport Layer

  ঘ

  The Network Layer
• Which layer of the OSI model is associated with LAN switches?
  ক

  The Transport layer.

  খ

  The Physical layer.

  গ

  The Network layer.

  ঘ

  The Data Link layer.
• Given the following network range 192.168.0.0/24. We want minimum 50 hosts on each of the available subnets. What will be the subnet mask?
  ক

  \/24

  খ

  \/25

  গ

  \/26

  ঘ

  \/27
• As a network administrator we want to make it easy to assign IP addresses to hosts. What protocol do we use?
  ক

  DNS

  খ

  DHCP

  গ

  HSRP

  ঘ

  NTP
• What is the meaning of amber SYST led on a 2960 switch?
  ক

  This is normal operation

  খ

  There is a bridging loop

  গ

  The switch IOS is loading

  ঘ

  The switch failed its POST
• What command will change the hostname of a router?
  ক

  router#host name new name

  খ

  router(config-router)#hostname new name

  গ

  router>host name new name

  ঘ

  router(config)#hostname new name
• Which of the following symbols indicate that a ping was successful?
  ক

  !

  খ

  .

  গ

  ?

  ঘ

  U
• What do you use when you want to display a message to all the terminals connected to a router?
  ক

  banner login

  খ

  banner motd

  গ

  banner exec

  ঘ

  banner slip-ppp
• You are the network administrator and are given the tasks to plan for the future expansion of the network. You decide to subnet the current network of 172.15.0.0. What will be the subnet mask be if every subnet has to allocate 500 hosts.
  ক

  255.255.0.0

  খ

  255.0.0.0

  গ

  255.255.240.0

  ঘ

  255.255.254.0
• We want to assign port 3 of our Catalyst 2950 switch to VLAN 3. What command will achieve this?
  ক

  switch(config-if)#switchport vlan 3

  খ

  switch#switchport access vlan 3

  গ

  switch(config)#switchport access vlan 3

  ঘ

  switch(config-if)#switchport access vlan 3