Answer: If two different station are addressed with the same hardware address then there are chances of occurrence of the failure in the network at irregular intervals.The failure or error will occur because of the both the devices are seen as one by the network due to same address.
An intelligent network system id used ,it can identify the error can help in the prevention of the failure.Other option for configuring the situation is assigning the MAC(media access control)address to devices which are unique in nature thus, no device can have same address.
Me ......................
For the view of Exercise 4.18, explain why the database system would not allow a tuple to be inserted into the database through this view.
For reference
For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note that an employee may simply have no manager listed or may have a null manager. Write your query using an outer join and then write it again using no outer join at all.
OUTER JOIN
select e.ID from employee e left outer join manages m on e.ID = m.ID
where m.manager_id is null;
NO OUTER
select e.ID from employee e where e.ID not in (select m.ID from manages m) or e.ID in (select m.ID from manages m where m.manager_id is null);
Answer:
Replace text as you type.
Explanation:
Replace text as you type is the Autocorrect option that enables you to add and delete words that do not follow abbreviation rules. This tool is available under the PROOFING tab. For example, if you use a long phrase frequently, simply add it to the replace text as you type. For instance, if you type your address frequently, add 34 Willoughby Street, London, and abbreviate it to 34WS and it was replace it to the long phrase as you type 34WS.
There are three types of traffic in an IP network:
1. Unicast - one-to-one traffic (traffic from one sender to one receiver)
2. Multicast - one to many traffic (one sender and more receivers)
3.Broadcast - every device in the network will receive the packet
So, the broadcast traffic <span>always goes to all devices in a subnet. </span>