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Showing posts from August 24, 2009

CCNA2 Chapter 3 V4.1 (100%)

Chapter 3 With 100% Accurate Answers 1. Which two benefits can be gained by locating network equipment in a telecommunications closet, rather than in a user area? (Choose two.) faster communication speeds **improved physical security more resistant to hacker attempts **centralized cable management less electrical usage 2. Which three issues should be noted on the technician's site survey report? (Choose three.) **unlabeled cables only two power outlets per wall in each room **poor physical security of network devices horizontal cabling runs under 100 meters **lack of UPS for critical devices two users sharing the same computer 3. Which two types of cable are used for initial router configuration? (Choose two.) serial cable **rollover cable straight-through cable crossover cable patch cable **console cable 4. In addition to the inventory sheet, what other information about the hosts and networking equipment should be documented by the on-site technician while performing the site su

CCNA 2 Chapter 2 v4.1 (100%)

(True 100%) 1. Which two functions are provided by the upper layers of the OSI model? (Choose two.) placing electrical signals on the medium for transmission **initiating the network communication process **encrypting and compressing data for transmission segmenting and identifying data for reassembly at the destination choosing the appropriate path for the data to take through the network 2. Which is a function of the transport layer of the OSI model? routes data between networks converts data to bits for transmission **delivers data reliably across the network using TCP formats and encodes data for transmission transmits data to the next directly connected device 3. Which common Layer 1 problem can cause a user to lose connectivity? incorrect subnet mask incorrect default gateway **loose network cable NIC improperly installed 4. Which three command line utilities are most commonly used to troubleshoot issues at Layer 3? (Choose three.) **ping a packet sniffer Telnet **ipconfig **Trac