Identify the 3 pieces of hardware you would not install to prevent broadcasts? A.) Switch B.) Repeater C.) Bridge D.) Router

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What are the 2 functions of the Data Link Mac layer? A.) Handles access to shared media B.) Manages protocol access to the physical network medium C.) Provides SAPs for higher level protocols D.) Allows multiple devices to uniquely identify one another on the data link layer

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Which protocol will send a message to routers if a network outage or congestion occurs? A.) ARP B.) TCP C.) IP D.) ICMP

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Identify 2 features of X.25? A.) Supports only IP B.) Utilizes switched and permanent virtual circuits C.) Contains minimal flow control and error recovery D.) Utilizes LAPB as it's data-link protocol

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What is half duplex and full duplex?

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When would you use ISDN? A.) To connect LANs using POTS B.) To support applications requiring voice, data, and video C.) When you need a consistent and very high rate of data speed D.) To connect to IBM mainframes

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Which of the following is an example of the Physical Layer? A.) SQL B.) IP C.) LLC D.) DDP E.) Ethernet

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What are 10base2 ethernet lans?

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What is a characteristic of Store and Forward switches? A.) They work at wire speed. B.) They are the same as Cut-Through switching in 'prune' mode. C.) They forward based on transport layer info. D.) They forward the frame before it is completely read. E.) They increase latency.

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2. What are the valid ways to segment a LAN? (Choose all that apply) A. Repeater B. Bridge C. Switch D. Router

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IP extended access lists use which of the following as a basis for permitting or denying packets? A.) destination address B.) all of the above C.) protocol D.) source address E.) port

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Which technology is used by Catalyst switches to resolve topology loops and ensure data flows properly through a single network path? A. virtual LANS (VLANS) B. frame filtering C. cut-through switching D. spanning-tree protocol

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