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 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
How signalling can be explained in D channel of ISDN?
 Question Submitted By :: Sandp19
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  Re: How signalling can be explained in D channel of ISDN?
Answer
# 1
signalling chech the logical connectivity by using q.921 
lapd link access procedure on the d channel
 
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Meena
 

 
 
 
Other CCNA Interview Questions
 
  Question Asked @ Answers
 
What is the purpose of the DLCI? A.) Identifies the remote routers B.) Contained with a 802.2 frame for routing purposes C.) Used with PPP during authentication D.) Identifies the PVC in a Frame Relay network  1
Where is the backup configuration file stored? A.) RAM B.) ROM C.) Console D.) NVRAM  1
Which of the following are examples of the Transport Layer? A.) Token Ring B.) UDP C.) TCP D.) IP E.) SQL F.) LLC  1
Identify the command that displays ethernet0/1 interface status? A.) show interface ethernet0/1 B.) show interface ethernet e0/1 C.) show interface ethernet0.1 D.) show ethernet0/1  1
Identify 3 IP routing protocols? A.) RIP B.) AURP C.) OSPF D.) IGRP E.) ARP F.) ICMP  2
Identify the purpose of the Trace command? A.) Explorer packet transmitting routing information B.) Test connectivity C.) Determine the path a packet is taking through the network D.) Transmits user data when buffers are full  2
what is the need og jitu(config)#ip helper address <ip address> can any one exaplain it briefly specially shain i am looking towards you.Becoz you are the only one who can solve my that problem not even jitendera sinha  2
The command "show IP protocol" displays which information? A. routing timers B. network information C. contents of the IP routing table D. information about all known network and subnetworks  2
Which device listed below provides clocking for the line? A.) DCE B.) CPE C.) CO D.) DTE E.) Demarc  1
What device has content-addressable memory (CAM) and what is stored in it? 1 A: Switch, learned IP addresses 2 B: Router, learned IP addresses 3 C: Switch, learned MAC addresses 4 D: Router, learned MAC addresses  4
Identify the number range for IPX SAP filters? A.) 900 - 999 B.) 1000 - 1099 C.) 800 -899 D.) 100 - 199  1
How many access lists are allowed per interface? A. One per port, per protocol B. Two per port, per protocol C. Unlimited D. Router interface +1 per port.  2
Which command assigns the login password CISCO on the console terminal line? A. line vty 0 login password cisco B. line console login password cisco C. line login terminal password cisco D. line console 0 login E. line console 0 login password cisco  2
Identify the definition of demarcation? A.) Date in which the WAN service contract expires B.) Cabling which extends from the WAN service provider to the customer C.) Division of responsibility, where the CPE ends and the local loop begins D.) Equipment which is located at the customer premises  1
please name some routed protocol.  1
Identify IPX GNS and it's purpose? A.) Go Network Server - sends a print job to a network server B.) Get Nearest Server - locate the nearest server C.) Guaranteed Network Services - allocates resources to users D.) Get Notes Server - locates Domino Server  1
Identify 3 characteristics of switches? A.) Increase available bandwidth B.) Decrease broadcast traffic C.) Support full duplex in a multipoint topology D.) Make fowarding decision using MAC address E.) Create collision domains  1
Given the following output, how can we close Telnet session 2? (Choose two) CCNA2620#show sessions Conn Host Address Idle Conn Name 1 131.108.100.152 131.108.100.152 0 131.108.100.152 *2 126.102.57.63 126.102.57.63 0 126.102.57.63 &#10061; A. Press the Enter key and enter exit. &#10061; B. Enter disconnect 2. &#10061; C. Press the Enter key and enter disconnect 2. &#10061; D. Enter close 2.  1
Which can be true regarding VLANs? A.) They are created by location B.) They are created by function C.) They are created by department D.) They are created by group  1
A router on one side of a PPP link uses the resonance RTR1 and the password COPP1-PWD. Which configuration line on RTR1 enables a connection between RTR1 and another router named RTR2? A. username, RTR2 password COPR1-PWD, B. username, RTR1 password COPR1-PWD, C. username, RTR2 password COPR2-PWD, D. username, RTR1 password COPR2-PWD,  1
 
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