NCO- Cyber Olympiad (SOF) Class 12: Questions 488 - 492 of 518
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Question 488
Question MCQ▾
In ________ transmission, several bits of data are transmitted concurrently through separate communication lines.
Choices
Choice (4) | Response | |
---|---|---|
a. | Half Duplex | |
b. | Parallel | |
c. | Serial | |
d. | Full Duplex |
Question 489
Question MCQ▾
Which of the following do not belong to queues for process?
Choices
Choice (4) | Response | |
---|---|---|
a. | Device Queue | |
b. | Job Queue | |
c. | PCB Queue | |
d. | Ready Queue |
Question 490
Question MCQ▾
In DBMS, ________ key provides sole tuple-level addressing mechanism within the relational model.
Choices
Choice (4) | Response | |
---|---|---|
a. | Candidate | |
b. | Unique | |
c. | Primary | |
d. | Foreign |
Question 491
Appeared in Year: 2014
Question MCQ▾
In the below letter series, some of the letters are missing which are given in that order as one of the options below it. Choose the correct option. (SET-B)
a_bbc_aab_cca_bbcc
Choices
Choice (4) | Response | |
---|---|---|
a. | bacb | |
b. | acba | |
c. | abba | |
d. | baaa |
Question 492
Appeared in Year: 2014
Question MCQ▾
Which of the following statements best describes IP spoofing? (SET-B)
Choices
Choice (4) | Response | |
---|---|---|
a. | Gaining unauthorized access to someone՚s computer by creating TCP/IP packets using somebody else՚s IP address. | |
b. | Breaking up a single IP into multiple packets. | |
c. | Introducing bug in the operating system so that it prevents users to access any resource. | |
d. | None of the above |