Answer:
FULL neighbor state.
(FULL/DR or FULL/BDR)
Explanation:
The fact that the routers are neighbors is not enough to guarantee an exchange of link status updates; they must form adjacencies to exchange link status updates. Adjacency is the next step after the process of establishing neighbors. Adjacent routers are routers that go beyond a simple Greeting exchange and act in the database exchange process. To reduce the amount of information exchange in a given segment, OSPF selects a router as a designated router (DR) and a router as a designated backup router (BDR) in each multiple access segment. The BDR is chosen as the backup mechanism in case the DR fails. The idea behind this is that routers have a central point of contact for the exchange of information. In order to verify if two routers have established an adjacency, you can use the command: show ip ospf neighbor.
Here is an example:
R1#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
203.250.12.1 1 2WAY/DROTHER 0:00:37 203.250.14.3 Ethernet0
203.250.15.1 1 FULL/DR 0:00:36 203.250.14.2 Ethernet0
203.250.13.41 1 FULL/BDR 0:00:34 203.250.14.1 Ethernet0
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Answer:
Following are statement is given below
int k=1,total=0; // variable declaration
while(k<50) // iterating the while loop
{
total=total+k*k;// calculating the square
k=k+1; // increments the value of k by 1
}
Explanation:
Following are the description of Statement.
- Declared a variable "total" and "k" of the "integer " type initialized the total to 0 and "k" to 1.
- Iterating the while loop for less then 50 .In this loop, we calculating the sum of square of first 50 number in the "total" variable .
- After that increment the value of "k" variable by 1 to execute the loop less then 50 .
Answer:
Explanation:
Metal is a conductor of electricity, thus is not used in cables for insulation. Varnished cambric, paper, and rubber, are all insulators of electricity.
