PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 The subnet mask 255.255.0.0 belongs to Class A Class B Class C Class D
2 Which is the part of IP. Netid subnetid Hosted All these
3 The size of the IPv4 is 16 bits 32 bits 64 bits 128 bits
4 Which class of IP IS Used in smaller organizations. class A class B Class C Class D
5 Which IP address is reserved for loop back or local host. 192.168.0.0 127.0.0.0 127.0.0.1 None
6 Which is the component of IP Client identifier Net work identifier Host identifier Both b and c
7 Which agency assign IPs. IEEE ANSI ICANN BSNL
8 SNMP used for. Standing message Net work management Domain Management Sending files
9 The default port for SMTP is. 21 23 25 80
10 Which is the false statement . Telnet is used for remote login FTP can transfer files between two hosts. TFTP rely on TCP SMTP used to send mail message
11 RDP client runs on Clients Routers Hosts Switches
12 RDP server runs on Computers Switches Routers Servers
13 Which is not the application level protocol. FTP S/MIME PGP HTTP
14 Which is the false statement. TCP enable data flow for monitoring TCP makes communication between server and client In TCP /P model internet layer is closes set to the User. It avoid net work saturation.
15 In a TCP Header source and destination header contains. 8 bits 16 bits 32 bits 128 bits
16 Which is the IP source routing method. SSR LSR LLR Both a and b
17 What is the use of IP source routing. Mapping the net work drive Troubleshooting Performance All of above
18 Which is the error message reported by ICMP. Time exceeded Host unreachable Echo request All of these
19 Which protocol is used to report error message. TCP IP ICMP SMTP
20 TTL stands for Time to Login Time to Live Transistor transistor Live None
21 IP defined in RFC 790 RFC 791 RFC 792 RFC 793
22 In which layer of OSI model IP is available. layer 1 Layer 2 Layer 3 Layer 4
23 Which is the type of socket Data gram Stream Raw All of these
24 Which is not the part of the UDP data gram. source port Destination port Check sum None
25 Default port for HTTP 23 21 25 80
26 Which is the fastest port for data transfer USB Serial Parallel Fire Wire
27 USB stand for. United serial bus Universal serial by pass Universal system Bus Universal serial Bus
28 In computer which range is in registered ports. 0 to 1023 1024 to 49151 49151 to 65535 None
29 Parallel port can not connect Printers Scanners Telephones Monitors
30 Parallel port can transfer ____ bits of data of a time. 2 4 8 16
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