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Nastasia [14]
3 years ago
5

Each of the following is a benefit provided by using views except for one. Which one is it? Group of answer choices a) You can u

se views to restrict access to the tables in your database to certain rows. b) You can code views that join tables. c) Views can be used to hide the complexity of retrieval operations. d) Views can be used to update multiple tables with a single statement.
Computers and Technology
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

The answer to this question can be given as:

In this question the option b,c, and d are correct.

Explanation:

A (DBMS) stands for a database management system. The DBMS is a software package that is used for crate, update, and delete. The database uses the SQL which stands for the structured query language. It is a programming language that uses the queries. These queries are used to providing many operations in the database like crate table, update table, join table, create a view of the table, etc. In the database, we can view the code of the join table and is also used to hide the complexity of retrieval operations, it can help in the update the table in a single statement.

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) how many bits are used for host number on the child network (subnet) , b) how many usable addresses can exist on this child ne
vovikov84 [41]

Answer:

Machine’s IP=126.127.85.170, Machine’s Netmask=/27, Parent’s Netmask=255.255.240.0 .

a) Machine's Netmask = /27 : therefore no. of remaining bits for hosts =32-27 = 5 bits.

b) No. of usable addresses in the child network = 25 -2 = 32-2 =30 [Since first(network ID of the machine) and last ip (broadcast address of the machine ) addresses are not used ]

c) first usable address is on this child network (subnet) =

First, find out the network id of machine can be found out by doing bitwise AND machine's IP and Machine's subnet mask :

01111110. 01111111.01010101.10101010 (IP)

11111111. 11111111 .11111111 .11100000 (Subnet Mask)

01111110. 01111111. 01010101.10100000 (Network ID )

first usable address is on this child network (subnet) :   01111110. 01111111. 01010101.10100001

: 126.127.85.161

d) what the last usable address is on this child network (subnet) :  01111110. 01111111. 01010101.10111110

: 126.127.85.190

e) what the child network’s (subnet's) broadcast address is :

In the directed broadcast address , all the host bits are 1. Therefore, broadcast address :

01111110. 01111111. 01010101.10111111 (126.127.85.191)

f) what the child network's (subnet's) network number is : Network ID has already been calcuulated in part c .

01111110. 01111111. 01010101.10100000 (126.127.85.160)

6 0
3 years ago
Which of the following was the name of the first generation of cell phone networks?
coldgirl [10]

Answer:

1G

Explanation:

1 'G' as in first generation.

Hope this helped. :)

3 0
3 years ago
You manage a small LAN for a branch office. The branch office has three file servers and few client workstations. You want to us
lana66690 [7]

You manage small LAN for a branch office. The branch office has three file servers and few client workstations. You want to use Ethernet device and offer guaranteed bandwidth to each server. You design the network by <u>connecting all network devices to a switch. Connect each server to its own switch port.</u>

<u></u>

Explanation:

  • A local-area network (LAN) is a computer network that spans a relatively small area.
  • Most often, a LAN is confined to a single room, building or group of buildings, however, one LAN can be connected to other LANs over any distance via telephone lines and radio waves.
  • The LAN is the networking infrastructure that provides access to network communication services and resources for end users and devices spread over a single floor or building.
  • Designing a LAN for the campus use case is not a one-design-fits-all proposition.
  • If there is a single 48-port switch, 47 devices can be supported, with only one port used to connect the switch to the rest of the network, and only one power outlet needed to accommodate the single switch

8 0
3 years ago
Where in the Formula tab on the ribbon would you find the Use in Formula function?
Leviafan [203]

Answer:

In Function library you would find the use in Formula function

5 0
3 years ago
Read 2 more answers
4. Computer processing work that is split between a desktop computer and a more powerful computer that processes and stores shar
jeyben [28]

Answer:

A. client/server

Explanation:

Beacuse a Server or a client is what hold data for big companies like google and microsoft

7 0
3 years ago
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