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1.
Which of the following provides prioritization at layer 2 of the OSI model?
2.
Which of the following is used to describe layers one - three of the OSI model, and is responsible for connectivity?
3.
Which of the following layers of the OSI model is responsible for intelligently selecting the MOST appropriate route through the network for a packet to travel?
4.
Which of the following standards contained in H. 323 involves video specifications?
5.
Which of the following BEST defines the role of gatekeepers?
6.
A technician is notified that the network is down in a remote office. Upon arriving the technician finds that the network failed just after an IP telephone was moved to a new location. Upon examination the technician notices that the phone has two network cables plugged into it and both are connected back to the same switch. Which of the following would keep this from causing a network outage again?
7.
According to the H. 323 standard, which of the following is a function of a gateway device?
8.
Which of the following is an acceptable measurement for TOLL quality voice when testing for jitter between VoIP systems?
9.
According to the H. 323 standard, which of the following are functions of a gatekeeper device?
10.
Which of the following is the highest possible Mean Opinion Score (MOS)?