Which statement about the flow control function of TCP is true?
A. TCP makes no snarl to check for lost or duplicate data
packets
B. The application layer must sequence data packets when
using TCP
C. TCP controls the flow of UDP data through negative
acknowledgements (NAK)
D. TCP is a connection-oriented protocol that acknowledges
receipt of data packets and is considered reliable
Which layer defines the physical topology? A.) Application B.) Transport C.) Network D.) Data Link E.) Physical F.) Session
Which OSI layer provides mechanical, electrical, procedural for activating, maintaining physical link? A.) Presentation B.) Network C.) Application D.) Physical E.) Transport F.) Data-Link
Which show underrate serial 1 status statement indicates that the shutdown command was issued on that interface? A. Serial 1 is up line protocol is up B. Serial 1 is up line protocol is down C. Serial 1 is down line protocol is down D. Serial 1 is administratively down the line protocol is down
LAN stands for which of the following? A.) Local Area Network B.) Local Arena Network C.) Local Area News D.) Logical Area Network
What is the difference between csma/cd?
Identify the following components of the IPX address 2e.0000.0065.ed43 A.) Not a valid IPX address B.) Network = 2e, Subnet = 0000, Node = 0065.ed43 C.) Network = 2e.0000, Node = 0065.ed43 D.) Network = 2e, Node = 0000.0065.ed43
Identify the true statements about the following access list: Access-list 101 deny tcp 192.10.172.0 0.0.0.255 any eq 23 Access-list 101 permit ip any any A.) This access list prevents the host 192.10.172.0 from telneting B.) This access list prevents any telnet traffic from subnet 192.10.172.0/24 C.) This access list filters some telnet access D.) This access list denies any telnet traffic to subnet 192.10.172.0/24 E.) This access list is invalid F.) The netmask on the this access list is reversed
i want to get my ccna certificate?how?my certificate can not reach to m?
Identify IPX GNS and it's purpose? A.) Go Network Server - sends a print job to a network server B.) Get Nearest Server - locate the nearest server C.) Guaranteed Network Services - allocates resources to users D.) Get Notes Server - locates Domino Server
what is routing and routed protocol ?
What is STP and what is the difference between PVST and RSTP
Access lists are numbered. Which of the following ranges could be used for an IP access list? A. 600 - 699 B. 100 - 199 C. 1 - 99 D. 800 - 899 E. 1000 - 1099