Which fields are contained within an IEEE Ethernet frame header? Source and destination MAC address Source and destination network address Source and destination MAC address and source and destination network address FCS field
Which one of the following statements is true for the currents in a series RC circuit?
Options: The current always has the same amplitude and phase for every part of the circuit, The total current is equal to the sum of the currents for the resistance and capacitance, The total current is greater than the sum of the currents for the resistance and capacitance, The total current is less than the sum of the currents for the resistance and capacitance
Options: a. Foreign key fields don’t allow duplicate values
b. In primary key field you can enter duplicate value
c. In an indexed field you may or may not enter duplicate value depending upon setting
d. All statements are true
Which is the first program run on a computer when the computer boots up?
Options: System software
B. Operating system
C. System operations
Ans:– B ,
Features of XML include which of the following?
Options: The tags are used to describe the appearance of the content., Addresses the structuring and manipulation of the data involved., Governs the display of information in a Web browser., All of the above.
Options: an error-detecting code based on a summation operation performed on the bits to be checked., a check bit appended to an array of binary digits to make the sum of all the binary digits., a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected, the ratio of the number of data units in error to the total number of data units
. How to change the order of Slides in Presentation?
Options: a. On Slide Sorter View, click on the Soft Slides b. On Slide Sorter View, click on the slide and drag to required position c. On Slide Thumbnail view, click on the slide and drag to required position d. Slides order cannot be changed once it created
Which statement(s) about IPv6 addresses are true? Leading zeros are required. Two colons (::) are used to represent successive hexadecimal fields of zeros. Two colons (::) are used to separate fields. A single interface will have multiple IPv6 addresses of different types.
Options: 1 and 3, 2 and 4, 1, 3 and 4, All of the above
. In a punched card system, data is processed by a
Options: A) Keypunch machine, sorter and posting machine
B) Accounting machine, posting machine, and billing machine
C) Sorter, posting machine, and billing machine
D) Accounting machine, keypunch machine and sorter
Options: steady-state will be reached faster than if the system is overdamped, the value of the output will exceed the value of the input at times during the transient period, the present overshoot is zero, both a and b