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
By default, Cisco routers forward GNS SAPs to remote networks. A. False B. True
The -- terminal no editing -- command will perform what function? A.) Edit the contents of NVRAM B.) Allows access to the terminal port C.) Stops the advanced editing feature D.) Enable password functions
Define osi?
What is an example of a valid MAC address? A. 192.201.63.251 B. 19-22-01-63-25 C. 0000.1234.FEGA D. 00.00.12.34.FE.AA
What ISDN protocol specifies concepts, terminology, and services? A.) Q B.) S C.) I D.) E
hi... i am a beginner to CCNA... i find it hard understandin collision domain n broadcast domain.. please don tell me the definition.. i read the definitions many times... i need a more detailed explanation... like whn i read the definition it sounds simple... but i don understand whn they say it like a hub has one collision domain and one broadcast domain... and if collisions happen inside collision domain... i am confused... please help me... :(
Identify 3 IP routing protocols? A.) RIP B.) AURP C.) OSPF D.) IGRP E.) ARP F.) ICMP
I am facing one problem in my layer 2 switch I don’t know the problem is on switch side or client side. The problem is some PC (not all) are stop participate in LAN they don’t send or recd. Packet from switch and if I check RJ45 (with LAN tester)from PC side the packet and 8 pin wire is working fine and after that process of LAN tester I plug RJ 45 in PC now PC start recd/ send packets what is the problem I don’t understand even client side no virus found RJ45 is ok and switch has no problem bcoz other PC is working fine Cable (cat 5 ) is also fine bcoz I didn’t crimp again just check in LAN tester and start working fine. Plz any one solve this matter. And after lan tester process pc is working fine and after 2 or 3 hour it again start same problem and again same process lan tester I have used
Identify the command to determine if an IP access-list is grouped on interface e0? A.) Router(config)# show ip interface e0 B.) Router> show ip interface e0 C.) Router# show interface e0 D.) Router# show ip interface e0
Which layer is responsible for putting 1s and 0s into a logical group? A.) Session B.) Application C.) Transport D.) Data Link E.) Physical F.) Network
You are given the following address: 128.16.32.13/30. Determine the subnet mask, address class, subnet address, and broadcast address. A. 255.255.255.252, B,128.16.32.12, 128.16.32.15 B. 255.255.255.252, C,128.16.32.12, 128.16.32.15 C. 255.255.255.252, B,128.16.32.15, 128.16.32.12 D. 255.255.255.248, B,128.16.32.12, 128.16.32.15
what is ACLs? what is the reasons to create ACLs?