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Q:

A router is a networking device that forwards data packetsand is connected to two or more data lines from differentnetworks. Which among the following was the earliestdevice which had almost the same functionality as that of a router?

A) Interface Delay Device	B) Interface Traffic Manager
C) Interface Routing Processor	D) Interface Message Processor

Answer & Explanation Answer: D) Interface Message Processor

Explanation:

The very first device that had fundamentally the samefunctionality as a router does today was the InterfaceMessage Processor (IMP); IMPs were the devices thatmade up the ARPANET, the first TCP/IP network

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Filed Under: Computer
Exam Prep: Bank Exams

Q:

While selling a router, a shopkeeper gives a discount of 15%. If he gives a discount of 20%, he earns Rs. 51 less as profit. What is the original marked price of the router?

A) Rs. 1000	B) Rs. 1020
C) Rs. 1040	D) Rs. 980

Answer & Explanation Answer: B) Rs. 1020

Explanation:

Let the marked price of the router be Rs. P

From the given data,

$P x \frac{85}{100} - P x \frac{80}{100} = 51 P x \frac{5}{100} = 51 \Rightarrow P = \frac{5100}{5} = 1020$

Hence, the original marked price of the router is Rs. 1020.

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

Q:

Mention different memories used in a CISCO router ?

Answer

Different Memories used in a CISCO router are as follows :

NVRAM stores the startup configuration file.

DRAM stores the configuration file that is being executed.

Flash Memory – stores the Cisco IOS.

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Subject: CCNA
Job Role: Network Engineer

Q:

How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates

A) Configure a seperate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface	B) Combine multiple Frame Relay circuits as a point-to-point line to support multicast and broadcast traffic
C) Configure many subinterfaces in the same subnet	D) Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.

Answer & Explanation Answer: A) Configure a seperate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface

Explanation:

If you have a serial port configured with multiple DLCIs connected to multiple remote sites, split horizon rules stop route updates received on an interface from being sent out the same interface. By creating subinterfaces for each PVC, you can avoid the split horizon issues when using Frame Relay.

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Filed Under: CCNA

Q:

You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

A) Router (config-if) #encapsulation frame-relay q933a	B) Router (config - if) #encapsulation frame-relay ansi
C) Router (config - if) #encapsulation frame-relay ietf	D) Router (config - if) #encapsulation frame-relay cisco

Answer & Explanation Answer: C) Router (config - if) #encapsulation frame-relay ietf

Explanation:

If you have a Cisco router on one side of a Frame Relay network and a non-Cisco router on the otherside, you would need to use the Frame Relay encapsulation type of IETF. The default is Cisco encapsulation, which means that a Cisco router must be on both sides of the Frame Relay PVC.

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Filed Under: CCNA

Q:

When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?

A) Supplied by the CSU/DSU	B) By the far end router
C) By the clock rate command	D) By the Physical layer bits stream timing

Answer & Explanation Answer: A) Supplied by the CSU/DSU

Explanation:

Clocking on a serial interface is always provided by the CSU/DSU (DCE device). However, if you do not have a CSU/DSU in your non-production test environment, then you need to supply clocking with the clock rate command on the serial interface of the router with the DCE cable attached.

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Filed Under: CCNA

Q:

Suppose you have a customer who has a central HQ and six branch offices. The customer anticipates adding six more branches in the near future. It whishes to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. which of the following would you recommend?

A) PPP	B) HDLC
C) Frame Relay	D) ISDN

Answer & Explanation Answer: C) Frame Relay

Explanation:

The key is "there are no free ports" on your router. Only Frame Relay can provide a connection to multiple locations with one interface, and in an economical manner no less.

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Filed Under: CCNA

Q:

Which command will allow you to see real - time translations on your router?

A) show ip nat translations	B) show ip nat statistics
C) debug ip nat	D) clear ip nat translations

Answer & Explanation Answer: C) debug ip nat

Explanation:

The command debug ip nat will show you in real time the translations occurring on your router.

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Filed Under: CCNA

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NVRAM stores the startup configuration file.

DRAM stores the configuration file that is being executed.

Flash Memory – stores the Cisco IOS.

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