TCP stands for Transmission Control Protocol for Communication of the Internet. It is used to interconnect network devices on the Internet and it is a connection oriented protocol which means that the connection between the devices (in our case host b and sever C) is established and maintained until they finish to exchange messages. Source port number specifies the <span>application or services on host b and destination port number on host c.
a. </span><span>The source and destination port numbers for the segments traveling from host c to host b are : source: 443 , destination: 2345.
b. From the destination port number (443) we can deduce that the server c that it is a web server. Port 443 is the standard port number for website which use SSL</span><span>(</span>Secure Sockets Layer<span>) .SSL is the standard security technology for establishing an encrypted link between a web server and a browser. </span>
Complete Question:
LDAP is an industry standard employed by Microsoft, which enables IT departments to use a(n) __________ structure when creating user accounts and user groups.
(a)directory tree
(b)Organizational Unit (OU)
(c)forest
(d)file system
Answer:
(a) directory tree structure
Explanation:
Lightweight Directory Access Protocol (LDAP) is a special type of Directory Access Protocol (DAP) and it is a software protocol that allows the storage and retrieval of data objects (such as user accounts and user groups) that are arranged in an hierarchical directory structure. This hierarchical directory structure is called directory tree or directory information tree.
LDAP stores users and resources information of an organization. These information include usernames, passwords, email, human resource data e.t.c
Data.......;...............;.........;......;.
The area that holds all the instructions the computer needs to start up when it is powered on is b) ROM
Further Explanation:
RAM and ROM are the types of memory. RAM is the active memory. The data can be read and written from RAM. While ROM is read only which meas that data or instructions on ROM cannot be changed.
The files or instructions that are needed to start up a computer are usually unchangeable as they always have to be the same. These type of instructions are stored in ROM. When he computer is turned on, the instructions needed to start the computer are loaded into the main memory from the ROM.
Hence, ROM is the correct answer.
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