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Identify the purpose of the TCP 3 step handshake?
A.) Setup a un-reliable connection
B.) Initialize routing tables
C.) Synchronize sequence numbers between hosts
D.) Connection tear down process
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Answer: C
The 3 step handshake establishes the parameters required for
a TCP
connection. During the handshake process sequence numbers are
synchronized allowing for the end points to properly
acknowledge and
re-assemble the segments.
| Is This Answer Correct ? | 5 Yes | 0 No |
What is the IP extended access list range? A.) 1000-1099 B.) 100-199 C.) 1-99 D.) 101-200
Station A is transmitting data to station B faster that station B can handle it. When station B's buffer fills up, it send out a message to station A to stop sending data. After B empties out its buffer, station B sends a message to station A to start sending data again. This is most directly an example of (pick the best answer only): A.) Poison Reverse B.) Connectionless protocol C.) Windowing D.) Connection oriented protocol E.) Flow Control F.) Split Horizon
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.
Which of the following is used to manage and monitor the network? A.) SNMP B.) HTTP C.) IP D.) FTP
How does a switch use store and forward? A.) By using a Class I repeater in a collision domain B.) The LAN switch copies the entire frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and determines the outgoing interface C.) By using broadcast addresses as source addresses D.) The switch waits only for the header to be received before it checks the destination address and starts forwarding the packets
what is difference between packet switching and circuit swtching
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 reserve port no http use?
what is router,bridges,hubs?
Which statement is true? A. While bridges are used to segment networks, they will not isolate broadcast or multicast packets. B. A bridge looks at every packet within its network segment and works like a hub re-broadcasting the packet if the destination is within its network segment. C. A bridge maintains a table of the IP addresses of the hosts within its network segment and forwards the packet directly to the destination based upon the IP address. D. A bridge resets the hop count by keeping all packets within the network segment. Only packets addressed to a specific destination host outside the network segment are allowed to pass through the bridge.
What is meant arp and rarp?
Which of the following describe full-duplex transmission? A.) Uses a single wire B.) Data transmission in both directions, but only one way at a time C.) Uses a point-to-point connection from the transmitter of the transmitting station to the receiver of the receiving station D.) Data transmission in only one direction
CCNA 
