What is true about frame-relay DLCI?
A.) DLCI represents a single physical circuit
B.) DLCI is optional in all frame-relay networks
C.) DLCI identifies a logical connection between DTE devices
D.) DLCI is used to tag the beginning of a frame with VLAN
information
Identify the hardware component that stores the backup configuration? A.) RAM B.) NVRAM C.) Flash D.) ROM
what are the port numbers for DNS,FTP,TELNET,SMTP,NNTP
5 Answers Airtel, Walton Group,
Which three protocols are correctly matched to their transport layer functions? (Choose three) A. route selection IP B. sliding window UDP C. well known pods IP D. route validation ICMP E. connection oriented TCP F. three-way handshake TCP G. no sequence and acknowledgement UDP
If you are running Token Ring with Novell IPX routing, which encapsulation should you use? A.) SAP B.) SNAP C.) 802.5 D.) 802.2
Which layer is responsible for negotiating data transfer syntax? A.) Network B.) Session C.) Application D.) Transport E.) Presentation
You have a Class B network address divided into 30 subnets. You will add 25 new subnets within the next year. You need 600 host IDs for each subnet. Which subnet mask should you use? A.) 255.254.0.0 B.) 255.192.0.0 C.) 255.255.252.0 D.) 255.255.248 0
Can anybody tell me how to configure a cisco router?
In distance-vector routing, there is a problem known as the 'count to infinity' problem. What is the most direct solution to this? A.) Defining a Maximum. B.) You can not solve the 'count to infinity' problem with a distance vector protocol. C.) Poison Reverse. D.) Triggered Updates. E.) Split Horizon.
What are the protocols that are used by every layer of ip/tcp model?
. Which command sequence will allow only traffic from network 185.64.0.0 to enter interface s0? A. access-list 25 permit 185.64.0.0 255.255.0.0 int s0 ; ip access-list 25 out B. access-list 25 permit 185.64.0.0 255.255.0.0 int s0 ; ip access-group 25 out C. access-list 25 permit 185.64.0.0 0.0.255.255 int s0 ; ip access-list 25 in D. access-list 25 permit 185.64.0.0 0.0.255.255 int s0 ; ip access-group 25 in
An user from the LAN is able to ping the default gateway of the router and other sites in the internet. but not able to ping only the google site, no acc list configured and no firewall and no problem with DNS atall. What may be the problem with router?
What is the difference between dynamic NAT and NAT overloading