42713.Out of the following which supports error checking and error correction in data link layer
802.2 LLC
802.3 CSMA/CD
802.4 Token Bus
802.5 Token Ring
42714.Which of the following is not CDMA Technology?
DS-FH (Discrete spectrum-freq hoping)
DS_FT
DS-
TDMA-FS.
42715.A and B are two stations 330km apart. A train starts from A at 8pm. and travels toward B at 60kmph. Another train starts from B at 9pm. And travels towards A at 75 kmph.at what time do they meet?
11am
12pm
11.30am
11.45am
42716.Advantages of digital over analog signal:
noise immunity
data security and integrity
efficient transmission
all of the above
42717.If it costs x dollars for making certain item if quantity is 1000 and if quantity increase then the item is made using y dollars. If z number of items are made which are greater than 1000 then what is the total cost.
1000(x-y) +yz
100(x-y) +yz
10(x-y) +yz
1(x-y) +yz
42718.Problem on average ages given age of captain 25 and wicket keeper’s Age 3 years more than captain’s age. now the average of the remaining team is one less than the avg of whole team. what is the avg age of each.
20
22
25
28
42721.what is the advantage of ADSL(asymmetric digital subscriber line) over modem?
It has normal uplink band width but higher down link bandwidth (something like that)
It has normal uplink band width
It has higher down link bandwidth
None of these
42722.What will be the output? #define Sqr(b) b*b; main( ) { int i=3; printf(“%d”,SQR(i+2); }
8
12
11
10
42723.What will be the output? Main(){ Char c=,a,; Printf(“%d %d”, sizeof(c),sizeof(,a,)); }
1 1
2 2
2 1
1 4
42724.Why channel coding is done
To secure data
To maintain integrity of data
Effective transmission of data
All of them
42725.struct abc { }; Struct abc arr[10]; Struct abc *p=arr; Which will be increment the pointer to point the next array element?
p=p+sizeof(abc)
p= *p=arr
abc=p+*p
p=abc+sizeof(p)
42726.What will be the output? int i=512; Char *c=(char *)&i; C[0]=1; Printf(%d”,i);
513
756
856
315
42728.What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
NAT
Static
Dynamic
PAT
42729.You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?
100 kbps
1 Mbps
2 Mbps
10 Mbps
42730.Which protocol is used to send a destination network unknown message back to originating hosts?
TCP
ARP
ICMP
BootP
42731.Which of the following operation is not possible in a register variable?
Reading the value into a register variable
Copy the value from a memory variable
Global declaration of register variable
All of the mentioned