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CCNA Certification Exam Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM CISCO CERTIFICATION EXAMS INTERVIEW QUESTIONS CCNA CERTIFICATION EXAM INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

CCNA Certification Exam Interview Questions & Answers - Learning Mode

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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CCNA Certification Exam Interview Questions & Answers - Learning Mode
Try CCNA Certification Exam Interview Questions & Answers - Exam Mode
Question: Refer to the exhibit. What is the most efficient summarization that R1 can
use to advertise its networks to R2?
A. 172.1.0.0/22
B. 172.1.0.0/21
C. 172.1.4.0/22
D. 172.1.4.0/24
172.1.5.0/24
172.1.6.0/24
172.1.7.0/24
E. 172.1.4.0/25
172.1.4.128/25
172.1.5.0/24
172.1.6.0/24
172.1.7.0/24


Answer: C: 172.1.4.0/22 Source: CoolInterview.com
Question: What is Round Trip Time ?

Answer: Round-trip time (RTT), also called round-trip delay, is the time required for a packet to travel from a specific source to a specific destination and back again.Source is the computer sending the packet and the destination is a remote computer or system that receives the packet and retransmits it. A user can determine the RTT to and from an IP address by pinging that address. Source: CoolInterview.com
Question: What is Protocol Data Unit in ccna?

Answer: The processes at each layer of the OSI model.
Layers----------PDU
Transport-------Segments
Network---------Packets/Datagrams
Data Link-------Frames
Physical--------Bits Source: CoolInterview.com
Question: What is the difference between routable and non- routable protocols?

Answer: Routable protocols can work with a router and can be used to build large networks. Non-Routable protocols are designed to work on small, local networks and cannot be used with a router. Source: CoolInterview.com
Question: What is the MAC address?

Answer: The address for a device as it is identified at the Media Access Control (MAC) layer in the network architecture. MAC address is usually stored in ROM on the network adapter card and is unique.
Source: CoolInterview.com
Question: What is the Beaconing?


Answer: An FDDI frame or Token Ring frame that points to serious problem with the ring, such as a broken cable. The beacon frame carries the address of the station thought to be down. Source: CoolInterview.com
Question: Refer to the exhibit. The networks connected to router R2 have been
summarized as a 192.168.176.0/21 route and sent to R1. Which two packet destination addresses will R1
forward to R2? (Choose two.)
A. 192.168.194.160
B. 192.168.183.41
C. 192.168.159.2
D. 192.168.183.255
E. 192.168.179.4
F. 192.168.184.45


Answer: B: 192.168.183.41 E:192.168.179.4 Source: CoolInterview.com
Question: How network Gateway is different from Routers?

Answer: Gateway
A device connected to multiple physical TCP/IP networks capable of routing or delivering IP packets between them.

Router
Its a layer 3 device that connects 2 different networks and routes packets of data from one network to another. It breaks up Broadcast domain as well as Collision Domain.
Source: CoolInterview.com
Question: What is the network Brouter?

Answer: Its a Hybrid device that combines the features of both bridges and routers.
Source: CoolInterview.com
Question: How should a router that is being used in a Frame Relay network be
configured to avoid split horizon issues from preventing routing updates?
A. Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the
sub-interface.
B. Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
C. Configure many sub-interfaces on the same subnet.
D. Configure a single sub-interface to establish multiple PVC connections to multiple remote router interfaces.


Answer: A: Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the
sub-interface. Source: CoolInterview.com
Question: What is the maximum data rate specified for IEEE 802.11b WLANs?
A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps


Answer: B: 11 Mbps Source: CoolInterview.com
Question: What are the NetBIOS and NetBEUI?

Answer: NetBIOS Network Basic Input / Output System
An application-programming interface (API) that can be used by programs on a local area network (LAN). NetBIOS provides programs with a uniform set of commands for requesting the lower-level services required to manage names, conduct sessions, and send datagrams between nodes on a network.

NetBEUI � NetBIOS Extended User Interface
An improved version of the NetBIOS protocol, a network protocol native to Microsoft Networking. It is Source: CoolInterview.com
Question: What is the multicast routing?

Answer: Sending a message to a group multicast address is called multicasting, and its routing algorithm is called multicast routing. Source: CoolInterview.com
Question: 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



Answer: A: denial of service Source: CoolInterview.com
Question: what is different between cisco router and layer 3 switch

Answer: if this one is the interview question in cisco then u have
to tell that switch it is ither l2 or l3 is best in lan

where as the routers are best in wan

now a much complex approch layer 3 Routing Versus Layer 3
Switching.
It is important to understand the difference between Layer.
3 routing and Layer 3 switching. Both terms are open to
some interpretation; however, the distinction between both
can perhaps be best explained by examining how an IP packet
Source: CoolInterview.com
Question: 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


Answer: A,D:Allowing simultaneous frame transmissions/Filtering frames based on MAC addresses Source: CoolInterview.com
Question: What are two security appliances that can be installed in a network?
(Choose two.)
A. ATM
B. IDS
C. IOS
D. IOX
E. IPS
F. SDM



Answer: B:IDS
E: IPS Source: CoolInterview.com
Question: Two routers named Atlanta and Brevard are connected by their serial
interfaces as shown in the exhibit, but there is no data connectivity between them. The Atlanta router is
known to have a correct configuration. Given the partial configurations shown in the exhibit, what is the
problem on the Brevard router that is causing the lack of connectivity?
A. A loopback is not set.
B. The IP address is incorrect.
C. The subnet mask is incorrect.
D. The serial line encapsulations are incompatible.
E. The maximum transmission unit (MTU) size is too large.
F. The bandwidth setting is incompatible with the connected interface.


Answer: B:The IP address is incorrect. Source: CoolInterview.com
Question: 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


Answer: B, C:Path selection/Packet switching Source: CoolInterview.com
Question: Which two values are used by Spanning Tree Protocol to elect a root
bridge? (Choose two.)
A. amount of RAM
B. bridge priority
C. IOS version
D. IP address
E. MAC address
F. speed of the links


Answer: B:bridge priority

E:MAC address Source: CoolInterview.com

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