Answer / hema

IPSec gives secure data transmission between two communicating devices

Answer / mahmood

ipsec is a suite of protocols which ensure the following:
1-confidentiality of data
2-integrity of data
3-anti-replay of data
4-non-repudiation

contains the main cryptographic algorithms used in securing traffic between two networks over an un trusted network, given that IKE phase 1 is enabled.

let threr are three router 1 is cionected to two and two is conected to three that is 1----2----3 now we can ping 2 from 3 and 1 to two but we are not able to ping 1 to 3 let router 1 is local and rest of two are remote what should be urs troubleshoot steps

2 Answers   Volvo,

---

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

2 Answers  

---

LAN stands for which of the following? A.) Local Area Network B.) Local Arena Network C.) Local Area News D.) Logical Area Network

3 Answers  

---

What are the advantages of lan switching?

0 Answers  

---

There is a process in Frame-Relay where LMI resolves an IP address from a DLCI number. What is this called? A.) arp B.) inverse arp C.) rarp D.) automap E.) reverse arp F.) arp

2 Answers  

---

while trouble shooting a network conectivty prob a technician observes that steady link light on the both work stations nic and the switch port which the workstation is conected.however when the ping comand is issuede from the work station the out message is request time out at which layer of osi model does the prob most likly exist 1 sessiom layer protocol layer datalink kayer acess layer network layer application layer i have ansered n/w layer but i am niot sure i have also posted privous question jitendera kumar sinha

3 Answers  

---

Which statement about switched and routed data flows is correct? A. Switches create a single collision domain and a single broadcast domain. Routers provide separate collision domains B. Switches create separate collision domains but a single broadcast domain. Routers provide a separate broadcast domain C. Switches create a single collision domain and separate broadcast domains. Routers provide a separate broadcast domain as well D. Switches create separate collision domains and separate broadcast domains. Routers provide separate collision domains

1 Answers  

---

Novell IPX network addresses have two conferrable parts. The network administrator specifies the IPX network number. How is the node number determined? A. It is the serial number of the given device B. It is assigned as a lease by Novell DHCP C. It is also set by the network administrator D. It is usually the MAC address of one Interface E. It is downloaded by Netware Core Protocol (NCP)

1 Answers  

---

Identify 2 HDLC characteristics? A.) Default serial encapsulation B.) Open standard C.) Supports Stacker compression D.) Supports point-to-point and multipoint

1 Answers  

---

How broadcast is created in switch

1 Answers  

---

When determining whether or not to route a LAN segment, which rule of thumb do you use? A.) 60/40 B.) 50/50 C.) 80/20 D.) 90/10 E.) 70/30

2 Answers  

---

On an ISDN BRI interface, the control channel is the 'D' channel. What is the rate of this channel? A.) 64 Kbps B.) 1.544 Mbps C.) 128 Kbps D.) 2.048 Mbps E.) 16 Kbps

2 Answers  

---