QUESTION 2
A protocol defines
A. |
the order of the messages exchanged between communicating nodes |
|
B. |
the format and order of messages communicated between nodes |
|
C. |
the format of messages exchanged between communicating nodes |
A protocol defines the format and order of messages communicated between nodes
the format and order of messages communicated between nodes
QUESTION 2 A protocol defines A. the order of the messages exchanged between communicating nodes B....
A protocol defines which of the following? Format of a message. Order of messages sent and received. Actions taken on transmission and/or receipt of a message. All of the above are true. Which of the following is unguided physical media? Coaxial Cable Fiber-optic Cable Radio Waves Twisted-pair Copper Two fundamental approaches to moving data through a network of links and switches are circuit switching and __________ switching. data information packet signal The traditional telephone network is an example of a...
Helpp: Make an application Protocol Application log for text messages In this task, an application protocol for sending and retrieving text messages is to be developed. A client (eg app on a smartphone) communicates with an application on a web server running a database of user data (username and password) and messages (user name of the sender, user name of the recipient, message text). The client should be able to perform the following actions: Register a new user Log in...
A student recently invented a simple protocol for sending a message securely from A to B by preserving the confidentiality of the message. In his protocol, A and B do not have a common, shared secret/key. Instead, for each message, both A and B generate random numbers, namely RA and RB, respectively. The protocol is described as follows, where “->” means that the message is sent over a network (e.g., the Internet). Adversaries have the capability to eavesdrop all messages...
1._______ is used for supervisory messages at the Internet Protocol layer. A)TCP B)DNS C)DHCP D)ICMP 2.In the Domain Name System, there is/are ______ root server(s), which is/are the highest level server(s). A)no B)one C)more than one D)none of the above 3.Which of the following is likely to dominate in VoIP as signaling protocol? A)SIP. B)H.323. C)IP D)Both A and B 4.Which of the following offers more reliable antivirus protection? A)Antivirus software on user PCs. B)Antivirus software on the mail server....
Question 4 a) Find the Thevenin equivalent circuit for the network between nodes a and b in 02A 01 T * $200 to b) Make sure to express the Thevinin source you found in part a in a phasor format
A digraph has 6 nodes A-F, neighbors are always kept in alpha order. DFS(A) produces a visit order of A,B,E,C,F,D while DFS(B) produces visit order B,E,C,F. Name 2 nodes that must be neighbors of node A. (10 points) 3.
A digraph has 6 nodes A-F, neighbors are always kept in alpha order. DFS(A) produces a visit order of A,B,E,C,F,D while DFS(B) produces visit order B,E,C,F. Name 2 nodes that must be neighbors of node A. (10 points) 3.
For the circuit below, calculate the resistance between
nodes:
(1) a and b (Ra-b)
(2) a and c (Ra-c)
(3) c and d (Rc-d)
1kΩ 1kΩ - -_1kΩ 3.3kΩ εγκα 2.7kΩ 2.7kΩ
12. When communicating it is important to adopt special approaches such as... A. Keep messages simple and repeat often B. Use medical terminology and abbreviations C. Do not pay attention to non verbal behavior D. Never use a language dictionary because they prevent you from learning the language. 13. Which is not quality of dignity? A. Promotes sense of self-importance B. Promotes quality of life C. Promotes feelings of positive self-worth D. Guide nurse aides in breathing 14. How does...
Suppose nodes A and B are on the same 10 Mbps broadcast channel, and the propagation delay between the two nodes is 245 bit times. Suppose A and B send Ethernet frames at the same time, the frames collide, and then A and B choose different values of K in the CSMA/CD algorithm. Assuming no other nodes are active, can the retransmissions from A and B collide? For our purposes, it suffices to work out the following example. Suppose A...
2. The ratio between the DC power and its output power: a. defines the quality of amplifier c. may require water cooling b. heats the Amplifier d. is a measure of efficiency