Answer / sami

IKE - Internet Key Exchange - negotiates security parameters
and authentication keys and handle the exchange of public keys
and manage the keys afterwords.
its a combination of 3 protocols
skeme - enables public key encryption for authentication
isaskmp - which defines how messages will be exchanged
oakley - which defines the mechanism for key exchanges

The Internet Protocol (IP) occurs at what layer of the seven layer model? A.) Physical B.) Presentation C.) Network D.) Datalink E.) Session F.) Transport

3 Answers  

---

what is the reason for creating vlans

4 Answers  

---

What is the difference between dynamic ip and static ip addressing?

0 Answers  

---

Can you explain the basic of encryption in VPN?

0 Answers   CCIE,

---

Identify the order of the 5 step encapsulation? 1. Create the segment 2. Convert the frame to bits 3. Create the packet 4. Create the frame 5. User creates the data A.) 1,2,4,2,5 B.) 2,1,3,4,5 C.) 5,1,3,4,2 D.) 5,3,4,1,2

1 Answers  

---

In order to configure a Frame Relay subinterface with IP identify the 2 commands that must be configured on the physical interface? A.) Router(config-if)# encapsulation frame-relay B.) Router(config-if)# no ip address C.) Router(config-if)#encapsulation subinterface frame-relay D.) Router(config)# subinterface s0 encapsulation frame-relay

1 Answers  

---

What does a metric of 16 hops represent when using RIP? A.) Number of hops to the destination B.) Destination unreachable C.) Number of routers D.) Bandwidth

3 Answers  

---

What is a back off on an 802.3 networks? A. It is latency in store and forward switching B. It is the time used for token passing from machine to machine C. It is the retransmission delay that is enforced when a collision occurs D. It is the result of two nodes transmitting at the same time. The frames from each transmitting device collide and are damaged

1 Answers  

---

1.i have to pcs in the network 192.168.1.1 202.55.88.16 2. if that fails shud go through 122.16.1.3 and and if that comes back active it shud go through 202.55.88.16 itself

1 Answers  

---

Identify the default encapsulation on serial interfaces? A.) ISDN B.) HDLC C.) SDLC D.) Frame Relay E.) PPP

2 Answers  

---

Can you explain static and dynamic tunnels?

0 Answers   CCIE,

---

Identify the true statement regarding subnetting? A.) Allows for more host address B.) Borrow bits from the network portion of the address C.) Allows for unlimited number of networks D.) Borrow bits from the host portion of the address

1 Answers  

---