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Which two statements about a reliable connection oriented
data transfer are true? (Choose two)
A. recipients acknolwedge receipt of data
B. when tankers are filled to capacity, datagrams are
discarded and not retransmitted
C. windows are used to control the amount in outstanding
unacknowledged data segments
D. if the sender a timer expires before receipt of an
acknowledgement the sender drops the connection
E. The receiving device waits for acknowledgements from the
sending device before accepting more data segments
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What should be the first command to create an access-list that prevents all users on subnetwork 10.10.128.0, using subnet mask 255.255.192.0, from being able to telnet anywhere? A.) access-list 101 deny tcp 10.10.128.0 0.0.63.255 any eq telnet B.) access-list 101 deny tcp 10.10.128.0 255.255.0.0 any eq telnet C.) access-list 101 deny tcp 10.10.128.0 255.255.192.0 any eq telnet D.) access-list 101 deny tcp 10.10.128.0 0.0.192.255 any eq telnet E.) access-list 101 deny tcp 10.10.128.0 0.0.128.255 any eq telnet F.) access-list 101 deny tcp 10.10.128.0 0.0.127.255 any eq telnet
Which can be logged by IPX extended access lists? A.) source address B.) protocol C.) source socket D.) access list number E.) destination socket F.) destination address
Which frame has a Type field to identify the upper-layer protocol? A.) 802.3 B.) 802.2 C.) 802.5 D.) Ethernet_II
As a system administrator, you perform an extended ping at the privileged EXEC prompt. As part of the display, you see "Set DF bit in IP header? [yes] :" What would happen if you answered no at the prompt. A. This lets the router fragment the packet. B. It tells the router not to fragment the packet. C. This lets the router direct the packet to the destination it finds in its routing table. D. It tell the router to send the packet to the next hop router.
What is the difference between communication and transmission?
Identify the command that specifies Serial 0 in slot 1? A.) Router(config)# interface serial1/1 B.) Router(config)# interface serial1/0 C.) Router(config)# interface serial0.1 D.) Router(config)# interface serial0/1
Which OSI layer end to end communication, segmentation and re-assembly? A.) Network B.) Transport C.) Physical D.) Application E.) Data-Link F.) Presentation
What is the purpose of the DLCI? A.) Identifies the remote routers B.) Contained with a 802.2 frame for routing purposes C.) Used with PPP during authentication D.) Identifies the PVC in a Frame Relay network
Identify 3 characteristics of ISDN? A.) Transports voice and data B.) Transports voice only C.) Support both BRI and PRI D.) Runs over existing phone lines E.) Same as X.25
Which layer is responsible for determining if sufficient resources for the intended communication exists? A.) Application B.) Network C.) Session D.) Presentation E.) Transport
How many ways to access router?
How is private ip different from public ip?
CCNA 
