Infosys Certified VoIP Professional
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Real Lex exam-pattern multiple-choice questions for the Infosys Certified VoIP Professional certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Benefits of Converged Network:
a) Efficient communication services
b) Strong Foundation for deploying more advanced and integrated applications
c) Limited access to corporate resources
d) Increased Productivity levels- ✓ a & b Correct
- B a,b,c
- C a,b,d
- D a,b,c,d
- Question 2
End offices are also called
- ✓ class 5 swicthes Correct
- B class 4 switches
- C Tandem Exchanges
- D Transit exchanges
- Question 3
One of the following devices is not an access device
- ✓ PBX Correct
- B Gatekeeper
- C IAD
- D Access GW
- Question 4
Which model does not make decision on what kind of traffic needs to be given a priority
- ✓ DiffServ Correct
- B RSVP
- C MPLS
- D None of the choices
- Question 5
In high performance telecommunication networks Which technique is used to carry data from one network node to another
- ✓ Diffserv Correct
- B RSVP
- C MPLS
- D None of the choices
- Question 6
In Diffserv, Routers and switches are configured to differentiate the traffic based on its class:
- ✓ True Correct
- B False
- Question 7
Which Qos protocol operate between the Layer 2 and Layer 3 of the OSI model
- ✓ DiffServ Correct
- B RSVP
- C MPLS
- D None of the choices
- Question 8
which of the following mechanisms provide simple and economical approach for networks with predictable lighter traffic loads
- ✓ Add Diffserv on the routers to provide differential priority Correct
- B over-provision the network such that the interior links are considerably faster than the access links
- C reserve the required resources through a network
- D Since network has lighter traffic load, do not apply any mechanism
- Question 9
FOllowing describes Diffserv Mechanism
- ✓ Routers supporting the DiffServ will use multiple queues for the packets which are awaiting transmission from interfaces having bandwidth constrains Correct
- B Routers supporting Diffserv reserve the required resources through a network
- C Routers supporting Diffserv are over-provisioned on the network to provide necessary QoS
- D None of the choices
- Question 10
Following applications do not need QoS mechanisms to be present on their networks
- ✓ IP telephony Correct
- B IPTV
- C E-Mail
- D Video Teleconferencing
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