A. The three required steps in the analog to digital conversion are sampling， encoding， and compression.
B. The three required steps in the analog to digital conversion are sampling， quantization， and compression.
C. The three required steps in the analog to digital conversion are sampling， quantization， and encoding.
D. The output of the sampling process is a pulse code modulation （PCM） signal.
E. The output of the sampling process is a pulse amplitude modulation （PAM） signal.
您可能感興趣的試卷
你可能感興趣的試題
A. CBWFQ
B. LLQ
C. traffic shaping
D. WRED
A. policy routing
B. increase link capacity
C. WRED
D. CBWFQ
E. LFI
F. WFQ
A. EAP-FAST has the ability to tie login with non-Microsoft user databases
B. EAP-TLS supports static passwords
C. PEAP supports one-time passwords
D. LEAP does not support multiple operating systems
E. LEAP supports Layer 3 roaming
F. PEAP does not work with WPA·
A. End-to-end delay is the sum of propagation delays， processing delays， serialization delays， and queuing delays.
B. Coast-to-coast end-to-end delay over an optical link is about 20 ms.
C. Processing delay depends on various factors， which include CPU speed， CPU utilization， IP switching mode， and router architecture.
D. Propagation and serialization delays are related to the media.
E. Propagation delay is the time it takes to transmit a packet and is measured in bits-per-second （bps）.
F. Serialization delay is the time it takes for a router to take the packet from an input interface and put it into the output queue of the output interface.
A. Implementing DiffServ involves the configuration of RSVP.
B. Implementing IntServ allows QoS to be performed by configuring only the ingress and egress devices.
C. Implementing IntServ involves the utilization of RSVP.
D. Traffic should be classified and marked by the core network devices.
E. Traffic should be classified and marked as close to the edge of the network as possible.
最新試題
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
What is an advantage of the IntServ QoS model？（）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
Which option correctly identifies the four main menus of a Cisco Wireless Control System （WCS）？ （）
Within the WMM policy， how many default QoS radio access categories are there？（）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）