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1 - Telecommunications Chapter 9
1 - Telecommunications Chapter 9
37
Computer Networking
Undergraduate 3
10/29/2017

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Cards

Term
At which OSI Layer does the H.323 group of standards operate?
Definition
Session
Term
What is not designated by ITU as an element of the H.323 standard?
Definition
SIP
Term
What protocol is the preferred transport layer protocol used in IP Telephony?
Definition
UDP
Term
In terms of QoS, give an example of a protocol that provides real time feedback about a call or conference to participants?
Definition
RTCP
Term
What technique resolbes QoS issues by modifying the packets to give higher priority to time sensitive data and lower prioritization to less time sensitive packets.
Definition
DiffServ
Term
What report would contain information about the utilization rate of backbone, the number of users logged on overtime, and statistics about errors?
Definition
Baseline
Term
Network management helps the network administrator by reporting what?
Definition
Posture Assessments

Network Usage Trends

Slow Connections
Term
Which choice regarding the naming terminology of DNS servers is incorrect?
Definition
Primary Address Server
Term
What Type of Backup is Quick and Only Contains Data that has changed since the last backup without modifying the archive bit?
Definition
Differential Backup
Term
What type of backup contains only data that has changed since the last backup and reset the archive bit?
Definition
Incremental Backup
Term
Should Load Error checking put on a network be disabled on regular backups in order to avoid time consuming load errors?
Definition
No
Term
What is not an advantage of load-balancing technology provides several advantages on a network?
Definition
Load balanced servers appear as several servers on the network.
Term
What could be considered the nerve center for the H.323 Standard?
Definition
H.323 gatekeeper
Term
What addresses the issue of editing live video streaming?
Definition
Time-Shifted Video
Term
At which OSI layer does Shim take place?
Definition
3
Term
A network that is fully functional 99.9% of the time is said to be what?
Definition
Highly available
Term
What is a transport protocol that provides feedback on the quality of the voice or video data being transmitted?
Definition
RTCP
Term
Which of the following is NOT likely to be included in a baseline?
Definition
Operating system versions used
Term
What federal regulation addresses the security and privacy of medical records?
Definition
HIPAA
Term
Which network management practice detects device, link, and component problems?
Definition
Fault management
Term
What is the central collection point where network management data from polled devices is sent?
Definition
NMS
Term
What should you use if you want to securely collect management data from devices using network management agents?
Definition
SNMPv3
Term
Which of the following requests a sequence of commands to walk through sequential rows in a MIB table?
Definition
snmpwalk
Term
What tool can you use on a Windows system to view log entries related to audit success and failure?
Definition
Event Viewer
Term
Which protocol is a standard for event management and defines roles of generator and collector?
Definition
Systlog
Term
On what type of data network is a connection established between two nodes before data is transmitted?
Definition
Circuit–switched
Term
What do you need if you want to connect an analog telephone to participate on a VoIP network?
Definition
ATA
Term
Which of the following is a private switch that accepts and interprets both analog and digital voice signals?
Definition
IP–PBX
Term
Which of the following is an ITU standard that manages multimedia sessions on a packet–switched network?
Definition
H.323
Term
What port should be used for secure communication using TLS when working with SIP?
Definition
5061
Term
Which SIP component maintains a database containing information about locations of each user agent in its domain?
Definition
Registrar Server
Term
What should you install if you need to convert PSTN signals into VoIP format and translate between the PSTN signaling protocol suite and VoIP signaling protocols?
Definition
UC gateway
Term
Which protocol provides feedback on the quality of a call or videoconference to its participants and is usually carried over port 5005?
Definition
RTCP
Term
Which QoS technique prioritizes traffic by modifying the actual IP packets that contain payload data and takes into account all types of network traffic?
Definition
Differentiated service
Term
You want to make your datacenter highly available and as part of the plan you want to eliminate single points of failure. Which element of high availability should you employ?
Definition
Redundancy
Term
You want to increase the bandwidth going to one of your key servers. Your server has two NICs. Which technique can you use to increase the bandwidth to the server?
Definition
Port Bonding
Term
You have just installed a DNS server and created a primary zone. You want to add redundancy to your DNS solution so that if the primary server becomes unavailable, name services can still operate. What should you do?
Definition
Install a secondary name server
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