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What is the most common layer 2 device?
A. Hub
B. Router
C. Switch
D. Repeater
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Which of the following are Distance Vector protocols? A.) IGRP B.) RIP C.) OSFP D.) EIGRP
1900 Value in which type of access list?
Where is the backup configuration file stored? A.) RAM B.) ROM C.) Console D.) NVRAM
Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router router?
Which OSI layer establishes, maintains and terminates sessions between hosts? A.) Application B.) Physical C.) Data-Link D.) Presentation E.) Network F.) Session
Identify the switching method that receives the entire frame then dispatches it? A.) Cut-through B.) Receive and forward C.) Store and forward D.) Fast forward
Which of the following are characteristics of UDP? A.) UDP is connection oriented. B.) UDP is used with TFTP. C.) UDP is unreliable. D.) UDP is connectionless. E.) UDP is at the transport layer. F.) UDP uses no acknowledgements.
what is router?
What is a Frame Relay?
Company XYZ has an employee that works out of the home. The employee runs big client server applications and must quickly transfer large files. The company wants the best cost/benefit on this connection. What would be the most practical solution? A. an ISDN Basic Rate Interface (BRI) connection to the user at home B. a dedicated T1 connection to the user at home C. a dedicated Frame Relay connection to the user at home D. a standard 28.8 analog dialup connection to the user at home
Which statement is true regarding half duplex? A.) Only works in a point-to-point configuration B.) Allows for transmitting and receiving but not a the same time C.) Allow for transmitting and receiving of data simultaneously D.) Doubles the bandwidth
What is the difference between TCP and UDP? A.) TCP is connection-oriented; UDP uses acknowledgements only B.) TCP is connection-oriented; UDP is connectionless C.) Both TCP and UDP are connection-oriented, but only TCP uses windowing D.) TCP and UDP both have sequencing, but UDP is connectionless
CCNA 
