Our 1500+ Computer Networks questions and answers focuses on all areas of Computer Networks subject covering 100+ topics in Operating Systems. These topics are chosen from a collection of most authoritative and best reference books on Computer Networks. One should spend 1 hour daily for 15 days to learn and assimilate Computer Networks comprehensively. This way of systematic learning will prepare anyone easily towards Computer Networks interviews, online tests, examinations and certifications.

Highlights

Ø 1500+ Basic and Hard Core High level Multiple Choice Questions & Answers in Computer Networks with explanations.

Ø Prepare anyone easily towards Computer Networks interviews, online tests, Government Examinations and certifications.

Ø Every MCQ set focuses on a specific topic in Computer Networks.

Ø Specially designed for IBPS IT, SBI IT, RRB IT, GATE CSE, UGC NET CS, PROGRAMMER and other IT & Computer Science related exams.

Who should Practice these Operating Systems Questions?

Ø Anyone wishing to sharpen their skills on Computer Networks.

Ø Anyone preparing for aptitude test in Computer Networks.

Ø Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews)

Ø Anyone preparing for entrance examinations and other competitive examinations.

Ø All – Experienced, Freshers and Students.

Computer Networks Basics --------------------------------------------------------------------6

Access Networks --------------------------------------------------------------------------------10

Reference Models ------------------------------------------------------------------------------13

Physical Layer ------------------------------------------------------------------------------------17

Data Link Layer -----------------------------------------------------------------------------------19

Network Layer ------------------------------------------------------------------------------------21

Transport Layer ----------------------------------------------------------------------------------23

Topology -------------------------------------------------------------------------------------------25

Multiplexing --------------------------------------------------------------------------------------27

Delays and Loss ----------------------------------------------------------------------------------29

Network Attacks ---------------------------------------------------------------------------------31

Physical Media -----------------------------------------------------------------------------------33

Packet Switching & Circuit Switching -------------------------------------------------------35

Application Layer - ------------------------------------------------------------------------------37

HTTP ------------------------------------------------------------------------------------------------41

HTTP & FTP ---------------------------------------------------------------------------------------44

FTP --------------------------------------------------------------------------------------------------46

SMTP -----------------------------------------------------------------------------------------------48

DNS--------------------------------------------------------------------------------------------------52

SSH --------------------------------------------------------------------------------------------------54

DHCP -----------------------------------------------------------------------------------------------56

IPSecurity -----------------------------------------------------------------------------------------58

Virtual Private Networks ----------------------------------------------------------------------60

SMI -------------------------------------------------------------------------------------------------63

SNMP -----------------------------------------------------------------------------------------------66

TELNET ---------------------------------------------------------------------------------------------69

TCP --------------------------------------------------------------------------------------------------72

UDP -------------------------------------------------------------------------------------------------77

AH and ESP Protocols --------------------------------------------------------------------------80

Congestion Control -----------------------------------------------------------------------------83

Virtual Circuit -------------------------------------------------------------------------------------86

ATM & Frame Relay -----------------------------------------------------------------------------89

WWW ----------------------------------------------------------------------------------------------93

IPv4 & Addressing -------------------------------------------------------------------------------95

IPv6 & Addressing -------------------------------------------------------------------------------99

P2P Applications --------------------------------------------------------------------------------103

ICMP -----------------------------------------------------------------------------------------------106

Transition from IPV4 to IPV6 ----------------------------------------------------------------109

IPV4 and IPV6 Comparision ------------------------------------------------------------------111

Analyzing Subnet Masks ----------------------------------------------------------------------114

Designing Subnet Masks ----------------------------------------------------------------------117

IP Routing -----------------------------------------------------------------------------------------121

RIP v1 ----------------------------------------------------------------------------------------------125

RIP v2 ----------------------------------------------------------------------------------------------128

Cryptography ------------------------------------------------------------------------------------131

PORTS ---------------------------------------------------------------------------------------------134

Socket Programming --------------------------------------------------------------------------137

Cookies --------------------------------------------------------------------------------------------139

Web Caching -------------------------------------------------------------------------------------142

Packet Forwarding & Routing ---------------------------------------------------------------145

Security in The Internet -----------------------------------------------------------------------147

OSPF -----------------------------------------------------------------------------------------------149

OSPF Configuration ----------------------------------------------------------------------------152

Datagram Networks ---------------------------------------------------------------------------156

Firewalls ------------------------------------------------------------------------------------------159

Network Management ------------------------------------------------------------------------162

Network Utilities -------------------------------------------------------------------------------165

ETHERNET ----------------------------------------------------------------------------------------167

WIRELESS LAN ----------------------------------------------------------------------------------169

INTERNET ----------------------------------------------------------------------------------------171

BLUETOOTH -------------------------------------------------------------------------------------173

WiMax --------------------------------------------------------------------------------------------175

SONET ---------------------------------------------------------------------------------------------177

RTP -------------------------------------------------------------------------------------------------179

RPC ------------------------------------------------------------------------------------------------181

Intrusion Detection Systems ----------------------------------------------------------------183

PPP -------------------------------------------------------------------------------------------------186

EIGRP ----------------------------------------------------------------------------------------------189

STP -------------------------------------------------------------------------------------------------191

600 MCQ TEST YOURSELF- RANDOM EXERCISE -----------------------------------194-284