Certifications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Certifications Interview Questions

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Station A is transmitting data to station B, and expects an acknowledgment after every 400 bytes. After transmitting data for a while, the two stations determine the line is reliable and change to expecting and acknowledgement every 600 bytes. This is an example of (pick the best answer only): A.) BECN B.) Sliding Windows C.) Poison Reverse D.) Countdown timers E.) Split Horizon F.) Count to infinity

1 3914

Which device listed below provides clocking for the line? A.) DCE B.) CPE C.) CO D.) DTE E.) Demarc

2 6882

Which OSI Reference Layer controls application to application communication? A.) Datalink B.) Network C.) Transport D.) Session E.) Physical

3 6777

The Datalink Layer is broken down into 2 layers, LLC and MAC. The LLC establishes media independence and what else? A.) Provides Windowing. B.) Provides flow control. C.) Provides SAP's (Service Access Points). D.) The Datalink layer does not have sublayers. E.) Provides SAP's (Service Advertising Protocol). F.) RIP Updates.

2 8696

When a Distance Vector routing protocol detects that a connected network has gone down, it sends out a special routing update packet, telling all directly connected routers that the distance to the dead network is infinity. This is an example of which routing technology? A.) ICMP. B.) Only Link State routing protocols have this intelligence. C.) Triggered updates. D.) Garrison-4. E.) Split Horizon. F.) Poison Reverse.

1 4918

Which of the following would not be displayed by the command ?sho cdp neighbor detail?? A.) The incoming/outgoing interface. B.) The hardware platform. C.) One address per protocol. D.) Amount of Flash Memory Available E.) The routers hostname. F.) The subnet mask, if IP is configured.

1 4384

Which of the following are characteristics of UDP? A.) UDP is connection oriented. B.) UDP is used with TFTP. C.) UDP is unreliable. D.) UDP is connectionless. E.) UDP is at the transport layer. F.) UDP uses no acknowledgements.

6 18442

What is a characteristic of Store and Forward switches? A.) They work at wire speed. B.) They are the same as Cut-Through switching in 'prune' mode. C.) They forward based on transport layer info. D.) They forward the frame before it is completely read. E.) They increase latency.

2 7199

The Internet Protocol (IP) occurs at what layer of the seven layer model? A.) Physical B.) Presentation C.) Network D.) Datalink E.) Session F.) Transport

2 4617

In regards to TCP/IP, which class of address allows for the fewest valid Internet hosts? A.) D B.) E C.) Classes are not used in TCP/IP. D.) B E.) C F.) A

1 4466

For IPX, what is the DEFAULT Cisco Encapsulation on an Ethernet interface? A.) novell-ether B.) gns C.) snap D.) arpa E.) sap F.) dix

1 4068

Novell NetWare has an Ethernet frame type called Ethernet_II. What is the matching Cisco command line keyword for this encapsulation method? A.) dix B.) sap C.) arpa D.) gns E.) snap F.) novell-ether

1 4080

There are 2 types of PPP authentication supported by the Cisco IOS. What are they? A.) PAP B.) PREDICTOR C.) MD5 D.) CHAP E.) STACKER F.) MSCHAP

4 8941

Which of the following are examples of the Transport Layer? A.) Token Ring B.) UDP C.) TCP D.) IP E.) SQL F.) LLC

2 5432

Which of the following describe SMTP? A.) Used for downloading files to the router. B.) Used for sending e-mail. C.) Uses TCP. D.) Uses UDP. E.) Uses port 25. F.) Used for managing IP devices.

1 4970

Un-Answered Questions { Certifications }

In a GLP facility who will decide whether the study is as per GLP or Non_GLP

239

How many types of nat?

1137

What’s the simplest way to remotely configure a router?

1157

What are the different memories used in a CISCO router?

1211

What is Transport and Tunnel mode?

2351

what is the exact syllabus for oracle certification level 1?

4144

Explain the types of nat?

1248

Explain the types of resource sharing?

1399

1>What do you mean by Networks and Networking? 2>Difference between Vlan And Sub Interface Vlan? 3>What is Fiber Optic Media Converter? 4>What is Firewall? 5>Difference Between Layer2 and Layer3 Switch? 6>What is the function of Multilayer Switch? 7>Expalin STP? What is the Difference between STP and MST? 8>What is the Function of VTP?Explain the modes of VTP? 9>What kind of Message VTp will Send? 10>What is the Difference between Normal and Manageable Switch? 11>Difference between Local Vlan and End to End Vlan? 12>Difference between Distance Vector and Link State Routing protocol? 13>What do you mean by Backbone Fast Port? 14>what is Root Guard and BPDU Guard?

2541

Hi Everybody, I am planning to write the ISTQB certification in Toronto. Can any one send the ISTQB foundation level book for 2013 exam?

2770

in stead of 0.0.0.0 wild card mask what u can write after ip?

1018

Explain the difference between switch & hub?

2241

I am beginner in Mainframe, so Pls tel me how to crack IBM DB2 certification exam and where will get more information.

4748

Explain dhcp scope?

1043

What is the mesh network?

1096

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