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CCNA Interview Questions
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Which technologies listed below help prevent network loops in a switched (bridged) environment? A.) Store-and-Forward B.) IEEE 802.1d C.) Diikjstra Algorithm D.) Cut-Through E.) Spanning Tree Protocol F.) Routing

1 2666

Which OSI Reference Layer controls end-to-end (host to host) communication? A.) Transport B.) Physical C.) Datalink D.) Network E.) Session

1 3036

What is the first step in data encapsulation? A.) User information is converted into data. B.) Frames are put into bits. C.) Data is converted into segments. D.) Segments are converted into datagrams and packets. E.) Packets are put into logical frame.

1 5569

We know that TCP provides connection oriented services, what else does it provide? A.) FECN & BECN B.) Path discovery. C.) Flow control and error checking. D.) Name resolution. E.) File manipulation.

1 3345

With distance vector routing protocols, it is never useful to send the same routing update packet back out the same interface that it was learned. This concept is called what? A.) Holddown timers B.) Poison Reverse C.) Count to infinity D.) Split Horizon E.) Link State

2 3003

Which of the following are ways to provide login access to a router? A.) HTTP B.) Console C.) Telnet D.) Aux Port E.) SNMP F.) LLC

3 9565

What two types of PPP data compression are available using Cisco IOS? A.) Predictor B.) DoubleSpace C.) Stacker D.) PAP E.) ZIP F.) CHAP

2 5626

In regards to the OSI seven-layer model, at which layer is EBCDIC and ASCII? A.) Presentation B.) Application C.) Transport D.) Session E.) Datalink F.) Network

1 2379

Which of the following are examples of the Transport Layer? A.) SQL B.) UDP C.) IP D.) LLC E.) ARP

1 2517

Given the global configuration command 'banner motd #7 Hello #', what do the '#' symbols represent? A.) Escape sequence to exit the menu. B.) Nothing, just part of the banner. C.) Tic Tac Toe Macro. D.) Delimiting Character E.) Message border character. F.) Number of times message to be displayed.

1 2389

There is a process in Frame-Relay where LMI resolves an IP address from a DLCI number. What is this called? A.) arp B.) inverse arp C.) rarp D.) automap E.) reverse arp F.) arp

2 3291

When setting up a WAN network, everything outside of the Demarc is not owned by the customer. Which of the following are not owned by the customer? A.) The T1 line. B.) LAN C.) The Router D.) DTE E.) PC's F.) CO

1 2576

You want to segment a network. The network is running SNA and Netbios. Which device should NOT be used to segment the network? A.) A store and forward switch. B.) A router. C.) A Catalyst 5000. D.) A cut-through switch. E.) A bridge.

1 2509

Name a major component of the Point-to-Point Protocol (PPP) to negotiate and set up control options on the WAN data link. A.) RFC 1661 B.) High Level Datalink Protocol (HDLC) C.) Challenge Handshake Authentication Protocol (CHAP) D.) SS7 E.) Link Control Protocol (LCP)

2 2907

Which of the following is an example of the Physical Layer? A.) SQL B.) IP C.) LLC D.) Token Ring E.) FDDI F.) TCP

2 3292


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Un-Answered Questions { CCNA }

Differentiate full-duplex from half-duplex.

201


When we do default route?

156


What is etherchannel?

156


What is the difference between communication and transmission?

155


Can you explain static and dynamic tunnels?

966






Tell me which cable we connect in db-9?

152


Who controls mac address uniqueness and how?

168


What is a switch and why we are using switches?

158


What are the different types of network in ccna?

166


What is the mau?

157


What is the difference between switch and hub?

163


On which layer does L2F, PPTP and L2TP operate?

2333


Explain the difference between tftp and ftp application layer protocols?

1420


What is encapsulation and de-encapsulation?

162


In IPSec what is SAD, SPD and SA's?

1994