Computers: Questions and Answers
Question 1. 1. (TCO1) The Central Office is the place: (Points : 5) Where the operator makes connections. Where all ISDN capabilities begin. Where calls from subscribers are routed. To connect the ADSL lines.
Question 2. 2. (TCO2) Like many softPBX systems, Asterisk refers to each leg of a voice call as a ____. (Points : 5) Loop SIP setup line Channel Ping
Question 3. 3. (TCO3) Known as 'connectionless networking', this protocol employs a method where IP datagram are sent over a network using a 'best-effort' approach. The recipient would not know if the packets sent were received by the intended recipient. (Points : 5) UDP TCP ICMP H.323
Question 4. 4. (TCO4) These are facility connections from the phone company switch to the residential analog telephones; or the term used for delivering dial-tone to a group of phones. (Points : 5) Tip-ring Lines Trunks Call links
Question 5. 5. (TCO5) Used by hackers to see vulnerabilities and gain access, it is a systematic process that attempts to identify all of the open and available services on a TCP/IP host. (Points : 5) Firewall scan DNS scan Port scan DMZ scan
Question 6. 6. (TCO6) This is a call accounting software that is retrieved from a PBX, where the incoming and outgoing call information are logged. The logged information can contain data as date, time, extension, trunk, caller ID, and duration of call. (Points : 5) Call Database SMDR PBX log files ACD
Question 7. 7. (TCO7) Along with CTI and ACD, this is a PBX supported application where multiple phones, telephony processes, phone operators, IVR, complex dial-plan, and hunt groups, run in a confined space and take information from customers, then, facilitate a response over the phone. (Points : 5) Call Center Auto Attendant Intercom calling
Question 2. 2. (TCO2) Like many softPBX systems, Asterisk refers to each leg of a voice call as a ____. (Points : 5) Loop SIP setup line Channel Ping
Question 3. 3. (TCO3) Known as 'connectionless networking', this protocol employs a method where IP datagram are sent over a network using a 'best-effort' approach. The recipient would not know if the packets sent were received by the intended recipient. (Points : 5) UDP TCP ICMP H.323
Question 4. 4. (TCO4) These are facility connections from the phone company switch to the residential analog telephones; or the term used for delivering dial-tone to a group of phones. (Points : 5) Tip-ring Lines Trunks Call links
Question 5. 5. (TCO5) Used by hackers to see vulnerabilities and gain access, it is a systematic process that attempts to identify all of the open and available services on a TCP/IP host. (Points : 5) Firewall scan DNS scan Port scan DMZ scan
Question 6. 6. (TCO6) This is a call accounting software that is retrieved from a PBX, where the incoming and outgoing call information are logged. The logged information can contain data as date, time, extension, trunk, caller ID, and duration of call. (Points : 5) Call Database SMDR PBX log files ACD
Question 7. 7. (TCO7) Along with CTI and ACD, this is a PBX supported application where multiple phones, telephony processes, phone operators, IVR, complex dial-plan, and hunt groups, run in a confined space and take information from customers, then, facilitate a response over the phone. (Points : 5) Call Center Auto Attendant Intercom calling