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	CCNA Certification Exam Interview Questions & Answers Below we have listed all the CCNA Certification Exam Interview Questions and answers. Feel free to comment on any CCNA Certification Exam Interview Questions or answer by the comment feature available on the page. To buy an eBook containing 30,000 Interview Questions, with Answers, Click Here. View All CCNA Certification Exam Interview Questions & Answers - Exam Mode / Learning Mode
CCNA Certification Exam Interview Questions & Answers
CCNA - Cisco Certified Network Associate (CCNA®) validates the ability to install, configure, operate, and troubleshoot medium-size route and switched networks, including implementation and verification of connections to remote sites in a WAN. The main requirement for obtaining Cisco Career Certifications such as CCENT, CCNA Routing and Switching, CCDP and CCIE and Cisco Specialist Certifications such as Cisco Firewall Security Specialist is to take and pass one or more certification exams and sign the Cisco Certifications and Confidentiality Agreement.

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Question	Rating	View Answer
Which one of the following statements best explains the split horizon rule? A. Only routers can split boundaries (horizons) between networks in separate AS numbers. B. Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries. C. Once a route is received on an interface, advertise that route as unreachable back out the same interface. D. Information about a route should never be sent back in the direction from which the original update came.		View Answer
What would happen if you applied the following ACL to any one of the Pass routers in the above exhibit? On what interface and what direction should you apply it? Once applied, what will this access list accomplish? (Select all valid answer choices) A. Telnet traffic from 192.168.1.16 0.0.0.15 to 168.2.16 0.0.0.15 is allowed. B. SMTP traffic from 192.168.1.16 0.0.0.15 to 168.2.16 0.0.0.15 is allowed. C. The ACL is configured to allow traffic from one specific host to another. D. The ACL should be applied inbound to the e0 interface of Router Pass 1. E. The ACL should be applied outbound to the e0 interface of Router Pass 1.		View Answer
what is different between cisco router and layer 3 switch		View Answer
What is CIDR?		View Answer
Which one of the following characteristics is true regarding the use of hubs and switches? A. Hubs can have their ports be configured with VLANs B. Using hubs is costly with regard to bandwidth availability. C. Switches can not forward broadcasts. D. Switches are more efficient than hubs in processing frames. E. Switches increase the number of collision domains in the network.		View Answer
When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? Choose all the valid answer choices) A. Bridges are faster than switches because they have fewer ports. B. A switch is a multiport bridge, C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received. D. A bridge will forward a broadcast but a switch will not. E. Bridges and switches increase the size of a collision domain. F. None of the above statements are true.		View Answer
Which of the following correctly describe the various functions and virtues of a router? (Select all valid answer choices) A. Packet switching B. Collision prevention on a LAN segment. C. Packet filtering D. Broadcast domain enlargement E. Broadcast forwarding F. Internetwork communication G. None of the above		View Answer
The LAN needs are expanding at the Certkiller corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Certkiller network. Which of the following are layer 1 devices that you can use? (Choose all that apply.) A. A switch B. A router C. A network adapter card D. A hub E. A repeater		View Answer
Cisco is the leader in the router market space. What basic functions do their routers perform in a network? (Choose two) A. The microsegmentation of broadcast domains B. Path selection C. Packet switching D. Bridging between LAN segments E. Access layer security F. VLAN membership assignment G. Application optimization		View Answer
The Certkiller network administrator needs to determine what LAN devices to install on the Certkiller network. What are two advantages of using Layer 2 Ethernet switches over hubs? (Choose two) A. Allowing simultaneous frame transmissions B. Increasing the size of broadcast domains C. Increasing the maximum length of UTP cabling between devices D. Filtering frames based on MAC addresses E. Decreasing the number of collision domains		View Answer
CDP is being used throughout the Certkiller network. What are two reasons why the Certkiller network administrator would use CDP? (Choose two) A. To determine the status of network services on a remote device B. To obtain the IP Address of a connected device in order to telnet to the device C. To verify the type of cable interconnecting two devices D. To verify Layer 2 connectivity between two devices when Layer 3 fails E. To obtain VLAN information from directly connected switches F. To determine the status of the routing protocols between directly connected routers G. To support automatic network failover during outages		View Answer
CDP is running between two Certkiller devices. What information is supplied by CDP? (Select three) A. Device Identifiers B. Capabilities list C. Platform D. Route identifier E. Neighbor traffic data		View Answer
Two buildings on the London campus of a the Certkiller corporation must be connected to use Ethernet with a bandwidth of at least 100 Mbps. Certkiller is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection? A. Coaxial cable B. Fiber optic cable C. UTP cable D. STP cable E. None of the above		View Answer
You work as a network technician at Certkiller .com. Please study the exhibit carefully. Based on the information shown above, what is needed to allow host Certkiller 1 to ping host Certkiller 2? A. A crossover cable connecting the switches B. A backbone switch connecting the switches with either fiber optic or straight-through cables C. A straight-through cable connecting the switches D. A CSU/DSU connected to the switches with straight-through cables E. A router connected to the switches with straight-through cables		View Answer
What are two reasons that a network administrator would use access lists? (Choose two.) A. to control vty access into a router B. to control broadcast traffic through a router C. to filter traffic as it passes through a router D. to filter traffic that originates from the router E. to replace passwords as a line of defense against security incursions		View Answer
A default Frame Relay WAN is classified as what type of physical network? A. point-to-point B. broadcast multi-access C. nonbroadcast multi-access D. nonbroadcast multipoint E. broadcast point-to-multipoint		View Answer
A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) A. mismatched TKIP encryption B. null SSID C. cordless phones D. mismatched SSID E. metal file cabinets F. antenna type or direction		View Answer
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command? A. This command should be executed from the global configuration mode. B. The IP address 10.121.16.8 is the local router port used to forward data. C. 102 is the remote DLCI that will receive the information. D. This command is required for all Frame Relay configurations. E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.		View Answer
Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server? A. denial of service B. brute force C. reconnaissance D. Trojan horse		View Answer
9 Which of the following are associated with the application layer of the OSI model? (Choose two.) A. ping B. Telnet C. D. TCP E. IP		View Answer