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FREE COMPUTERS AND STUDY GAMES ABOUT CHAP 11
AND 12 QUIZ EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -80 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: What is the maximum throughput of a DS3 connection?
Answer:
44.736 Mbps
Question 2: What is distributed switching?
Answer:
It is a single distributed vSwitch that can service VMs across multiple hosts.Question 3: When a device handles electrical signals improperly, usually resulting from a bad NIC, it is referred to by what term below?
Answer:
jabber Question 4: The Link Aggregation Control Protocol was initially defined by what IEEE standard?
Answer:
IEEE 802.3ad
Question 5: Which of the following statements describes a RAID 0 configuration?
Answer:
In a RAID 0, data is striped across multiple disks to improve performance.Question 6: T/F: In a frame relay WAN, the ISP typically has the data circuit terminating equipment (DCE).
Answer:
True Question 7: If you wish to maintain a "4 nines" availability rating, what is the maximum amount of down time you can have per day?
Answer:
- seconds
Question 8: Which statement regarding the use of cable modems is NOT accurate?
Answer:
Cable modems only operate at the Physical layer of the OSI model.Question 9: T/F: Although MPLS can operate over Ethernet frames, it is more often used with other Layer 2 protocols, like those designed for WANs.
Answer:
True Question 10: T/F: Class of Service utilizes 8 levels of priority, and modifies the PCP field in an 802.1Q tag.
Answer:
True Question 11: A highly available server is available what percentage of the time?
Answer:
99.999%
Question 12: When using satellite services for your WAN connection, what statement is accurate?
Answer:
Satellite services suffer more latency and jitter issues.
Question 13: Which of the following is an advantage of leasing a frame relay circuit over leasing a dedicated circuit?
Answer:
You pay only for the bandwidth you require.Question 14: Multiplexing enables a single T1 circuit to carry how many channels?
Answer:
24
Question 15: What makes up the first 6 bits of the 8-bit DiffServ field?
Answer:
Differentiated Services Code Point (DSCP) Question 16: What 3-bit field in a 802.1Q tag is modified to set a frame's Class of Service (CoS)?
Answer:
Priority Code Point (PCP) Question 17: T/F: CDMA (Code Division Multiple Access) is an open standard that is accepted and used worldwide.
Answer:
False
Question 18: On an ATM network, how is the path that data will take determined?
Answer:
Switches determine the optimal path between sender and receiver, and then establish the path before transmission.Question 19: Which type of backup scheme only covers data that has changed since the last backup?
Answer:
incremental backup Question 20: In North America, what ISDN connection type used two B channels and one D channel?
Answer:
Basic Rate Interface (BRI)
Question 21: In a cellular network, where does each wireless base station connect to?
Answer:
They connect to a mobile switching center.
Question 22: A network TAP serves what purpose on a network?
Answer:
It provides a mirrored port for monitoring traffic between other ports.
Question 23: Of all the DSL standards, which is the most commonly in use today?
Answer:
ADSL
Question 24: How does a line conditioning UPS protect network equipment?
Answer:
It filters line noise from incoming power.Question 25: T/F: You can find out where various logs are kept on some UNIX and Linux systems by viewing the /etc/syslog.conf or /etc/rsyslog.conf files.
Answer:
True Question 26: T/F: DSL signals travel over telephone lines using the 300 to 3300 Hz frequency range.
Answer:
False Question 27: T/F: Setting a NIC to run in promiscuous mode will allow it to see all network traffic passing through a network switch.
Answer:
False Question 28: T/F: An 802.11ac signal can travel for approximately 2 miles from the source.
Answer:
False
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