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You need to come up with a TCP/IP addressing scheme for your
company. How
many network IDs must you allow for when you define the
subnet mask for
the network?
A.) One for each WAN link
B.) One for each router interface
C.) One for each NIC installed in each client
D.) One for each subnet with hosts
E.) One for each host ID
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Identify the default IPX serial encapsulation? A.) Novell-Ether B.) SDLC C.) SNAP D.) HDLC
What are hold-downs used for? A.) To prevent regular update messages from reinstating a route that has come back up B.) Information received on an interface cannot be sent back out the same interface C.) To prevent regular update messages from reinstating a route that has gone down D.) To hold the routing table from being sent to another router
Which ISDN specification deals with call Setup and Teardown? A.) Q-Series B.) J-Series C.) I- Series D.) C- Series E.) F-Series
What is segmentation and fragmentation?
Which type of switching is considered to be 'wire speed?' A.) Cut-Through B.) Multiplexed C.) Inverted D.) Layer 4 E.) Store and Forward F.) Layer 3
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.
PICT & JPEG are examples of what layer in the OSI seven layer model? A.) Transport B.) Presentation C.) Application D.) Datalink E.) Network F.) Session
What is the difference between cross cable and straight cable?
What is NOT a characteristic of a network segment on a switch? A. The segment has its own collision domain B. The segment can translate from one media to a different media C. All devices in the segment are part of the same broadcast domain D. One device per segment can concurrently send frames to the switch.
Which protocol used before part of ccna?
When does network congestion occurs?
What are the three sources of signal degradation on a data link?
CCNA 
