Repeaters work at which layer of the OSI model? A.) Network B.) Session C.) Transport D.) Physical

4 Answers  

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what does the clock rate do?

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Which table find best path?

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Dear Mr.Shahin thank you very much for your advise i realy thanks full to you. Best of luck

2 Answers  

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What is the difference between tracert and traceroute?

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Which feature of PPP (Point to Point Protocol) allows the router to bind multiple channels together, to form a single logical channel? A.) multi-link ppp B.) multi-channel ppp C.) can't be done D.) omni-ppp E.) plp

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Can you explain how L2F data tunneling process works?

1 Answers   CCIE,

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After how long eigrp protocol advertise its routing table?

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Which of the following is an invalid host address using a netmask of 255.255.255.192? A.) 10.1.1.1 B.) 10.1.1.66 C.) 10.1.1.130 D.) 10.1.1.127

2 Answers  

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The administrator of a comapny needs to ensure that a web server in their network is accessible from the Internet. Since the network uses private addressing, this requires an IP-to-registered-address mapping. The following command is entered on the router: router(config)# ip nat inside source static 192.168.2.1 198.18.1.254 After unsuccessful results from a ping to the Internet, the administrator issues the show ip nat translations command and the output is blank. What could be the problem with the NAT configuration for this mapping? A. The keyword overload is missing from the command. B. The administrator needs to define a NAT pool first. C. An access list must be defined to create static NAT translations. D. The interfaces need to be configured for NAT.

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Why do we have a Layered Model? 1) It reduces complexity 2) Allows for a standardized interface 3) Facilitates modular engineering 4) Ensures interoperable technology 5) Accelerates evolution 6) Simplifies teaching and learning

1 Answers  

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How many Frame-relay encapsulation types are available with Cisco routers? A.) Four B.) Two C.) Five D.) Three

1 Answers   Cisco,

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