1. (TCO 1) A logical component of a network element that chooses the next packet to be sent to an output interface from among all candidates waiting in queues is known as which of the following?(Points : 10)        Processor        Scheduling        Traffic flows        Congestion avoidance

 

Question 2.2. (TCO 3) Which of following best describes the concept known as quality of experience? (Points : 10)        Measures how good the service is from the service point of view        Measures how good the service is from the regulatory point of view        Measures how good the service is from the competition’s point of view        Measures how good the service is from the customer’s point of view

 

Question 3.3. (TCO 2) ATM networks make use of a service level agreement (SLA). What must the operator, known as a service provider, include in the SLA? (Points : 10)        A pricing discount        QoS        VPN configurations        VLAN security

 

Question 4.4. (TCO 7) The label distribution protocol (LDP) enables label switched routers to request and share MPLS labels. To do this it uses different message types. Identify which of the following is not an example of a message type. (Points : 10)        Discovery security messages        Security discovery messages        Advertisement messages        Notification messages

 

Question 5.5. (TCO 6) Which of the following IEEE standards describes Wi-MAX? (Points : 10)        802.11        802.14        802.16        802.18

 

Question 6.6. (TCO 5) The passive optical network (PON) is an optical technology for the access network based only on passive elements such as which of the following? (Points : 10)        DSL access multiplexers        Optical repeaters        Optical encoders        Splitters

 

Question 7.7. (TCO 4) Which of the following is the most important feature the real-time transport protocol (RTP) provides? (Points : 10)        Payload type identification        Payload timestamping        Error control        Sequencing

 

Question 8.8. (TCO 3) Which standard represents pulse code modulation (PCM)? (Points : 10)        G.709        G.710        G.711        G.712

 

Question 9.9. (TCO 2) Which of the following is the primary protocol that supports multicasting across the Internet? (Points : 10)        ICMP        IGMP        IP        MPLS

 

Question 10.10. (TCO 1) What is the meaning of CAPEX? (Points : 10)        It relates to cable service providers        It relates to wireless carriers        It relates to telcos        It relates to operational expenses