MCQOPTIONS
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MCQOPTIONS
This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your CISCO Certification knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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. |
| A. | 255.255.0.0 |
| B. | 255.0.0.0 |
| C. | 255.255.240.0 |
| D. | 255.255.254.0 |
| Answer» E. | |
| 2. |
_x005F_x000D_ You are the administrator of network X. You decided to implement RIP in the following topology (click exhibit). You do not want R3 to receive RIP updates. What configuration changes need to be implemented? |
| A. | Implement a passive-interface on R1 |
| B. | Nothing needs to be configured |
| C. | Create a sub-interface on R1 |
| D. | Change the routing protocol to OSPF |
| Answer» B. Nothing needs to be configured | |
| 3. |
Which process ensures that the components of the computer are connected properly ? |
| A. | Booting |
| B. | Saving |
| C. | Processing |
| D. | Editing |
| Answer» B. Saving | |
| 4. |
Which of the following symbols indicate that a ping was successful? |
| A. | ! |
| B. | . |
| C. | ? |
| D. | U |
| Answer» B. . | |
| 5. |
Which layer of the OSI model is associated with LAN switches? |
| A. | The Transport layer. |
| B. | The Physical layer. |
| C. | The Network layer. |
| D. | The Data Link layer. |
| Answer» E. | |
| 6. |
Which layer of the OSI model is associated with HDLC, Frame Relay and PPP? |
| A. | The Physical Layer |
| B. | The Data Link layer |
| C. | The Transport Layer |
| D. | The Network Layer |
| Answer» C. The Transport Layer | |
| 7. |
which IOS command enables access to high-level commands? |
| A. | su root |
| B. | admin 0 |
| C. | enable |
| D. | init |
| Answer» D. init | |
| 8. |
What type of cable is shown in the exhibit?_x005F_x000D_ |
| A. | AEIA/TIA-232 |
| B. | EIA-530 |
| C. | X.21 |
| D. | V.35 |
| Answer» E. | |
| 9. |
What port number is used for FTP control? |
| A. | 20 |
| B. | 21 |
| C. | 22 |
| D. | 25 |
| Answer» C. 22 | |
| 10. |
What port number is used for DHCP? |
| A. | 67 |
| B. | 68 |
| C. | 69 |
| D. | Both A and B |
| Answer» E. | |
| 11. |
What is the meaning of amber SYST led on a 2960 switch? |
| A. | This is normal operation |
| B. | There is a bridging loop |
| C. | The switch IOS is loading |
| D. | The switch failed its POST |
| Answer» E. | |
| 12. |
What is meant by same layer interaction |
| A. | That a packet is forwarded to a different host that resides in the same layer of the Cisco three layer hierarchical model. |
| B. | 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. |
| C. | An interaction that progresses up or down only one level of a networking model. |
| D. | That two computers use a protocol defined at the same layer of a networking model to communicate with each other. |
| Answer» E. | |
| 13. |
What is the full form of CSMA/CD in CCENT? |
| A. | Carrier Sense Multiple Action with Collision Detection. |
| B. | Carrier Sense Multiple Access with Collisionless Delivery |
| C. | Carrier Sense Multiple Action with Collision Detonation |
| D. | Carrier Sense Multiple Access with Collision Detection |
| Answer» E. | |
| 14. |
What does a firewall? |
| A. | Examines packets and decides which ones should be allowed to pass from one network to another. |
| B. | Maintains a table which maps the IP addresses of two network so that packets can be redirected between the networks. |
| C. | Compares packets to virus signatures so that packets which are know to be dangerous can be identified and stopped. |
| D. | Prevents viruses from moving any further through a network |
| Answer» B. Maintains a table which maps the IP addresses of two network so that packets can be redirected between the networks. | |
| 15. |
What do you use when you want to display a message to all the terminals connected to a router? |
| A. | banner login |
| B. | banner motd |
| C. | banner exec |
| D. | banner slip-ppp |
| Answer» C. banner exec | |
| 16. |
What command will change the hostname of a router? |
| A. | router#host name new name |
| B. | router(config-router)#hostname new name |
| C. | router>host name new name |
| D. | router(config)#hostname new name |
| Answer» E. | |
| 17. |
We want to assign port 3 of our Catalyst 2950 switch to VLAN 3. What command will achieve this? |
| A. | switch(config-if)#switchport vlan 3 |
| B. | switch#switchport access vlan 3 |
| C. | switch(config)#switchport access vlan 3 |
| D. | switch(config-if)#switchport access vlan 3 |
| Answer» E. | |
| 18. |
The exhibit below shows the output of a show ip interface brief on a Cisco router._x005F_x000D_ r1#show ip interface brief Serial0/0 does not respond to ping requests. What step would you take to resolve the problem? |
| A. | Change ip address on Serial0/0 |
| B. | Enable the interface Serial0/0 |
| C. | Check the physical connection in Serial 0/0 |
| D. | The interface looks fine in status up, problem must be somewhere else |
| Answer» D. The interface looks fine in status up, problem must be somewhere else | |
| 19. |
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? |
| A. | 7 usable subnets, each with 32 host addresses |
| B. | 8 usable subnets, each with 30 host addresses |
| C. | 8 usable subnets, each with 27 host addresses |
| D. | 7 usable subnets, each with 24 host addresses |
| Answer» C. 8 usable subnets, each with 27 host addresses | |
| 20. |
Some colleagues are discussing QoS, and are interested in jitter. What is jitter? |
| A. | Jitter refers to the variation in delay experienced by packets |
| B. | Jitter is a flickering effect sometimes seen on streaming video. |
| C. | Jitter is a predefined settings package that provides optimal QoS for IP telephony use. |
| D. | Jitter is a clicking noise that can be heard on some VoIP calls. It is caused by loss of UDP packets. |
| Answer» B. Jitter is a flickering effect sometimes seen on streaming video. | |
| 21. |
If two laptops are exchanging data directly with each other using a 802.11g connection, there are said to be in what mode? |
| A. | Ad-hoc mode. |
| B. | Operational exchange mode. |
| C. | Basic Service Set mode. |
| D. | Infrastructure mode. |
| Answer» B. Operational exchange mode. | |
| 22. |
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? |
| A. | /24 |
| B. | /25 |
| C. | /26 |
| D. | /27 |
| Answer» D. /27 | |
| 23. |
After the devices have been configured as shown, it is determined that the branch office in Chicago doesn't have connectivity to the Internet through the headquarters in Dallas. How would you fix the problem?_x005F_x000D_ |
| A. | Change ip address on the WAN side of the Chicago router |
| B. | Change ip address on the LAN side of the Chicago router |
| C. | Change ip address on the LAN side of the Dallas router |
| D. | Change ip address on the WAN side of the Dallas router |
| Answer» B. Change ip address on the LAN side of the Chicago router | |
| 24. |
As a network administrator we want to make it easy to assign IP addresses to hosts. What protocol do we use? |
| A. | DNS |
| B. | DHCP |
| C. | HSRP |
| D. | NTP |
| Answer» C. HSRP | |
| 25. |
A device on a network is ready to send a frame. What is the first thing that CSMA/CD logic does? |
| A. | Sends a token out to instruct other devices not to send packets. |
| B. | Sends a jamming signal out to prevent other hosts from sending packets. |
| C. | Sends a discovery message out to find out if the destination host is on the same subnet. |
| D. | Listens to see if the Ethernet is busy. |
| Answer» E. | |