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QUESTION 21
A technician wants to separate networks on a switch. Which of the following should be configured to allow this?
A. VLAN
B. Trunking
C. Spanning tree
D. Traffic filtering
Answer: A
Explanation:
A VLAN is a group of end stations in a switched network that is logically segmented by function, project team, or application, without regard to the physical locations of the users. VLANs have the same attributes as physical LANs, but you can group end stations even if they are not physically located on the same LAN segment.
QUESTION 22
A user does not have network connectivity. While testing the cable the technician receives the below reading on the cable tester:
1———–1
2———–2
3———–3
4———–4
5———–5
6———–6
7———–7
8———–8
Which of the following should the technician do NEXT?
A. Cable is a crossover, continue troubleshooting
B. Pin 3 is not used for data, continue troubleshooting
C. Pin 3 is not used for data, replace the NIC
D. Redo the cable’s connectors
Answer: D
QUESTION 23
A technician needs multiple networks, high speeds, and redundancy on a system. Which of the following configurations should be considered for these requirements? (Select TWO).
A. Routing table
B. Next hop
C. Port mirroring
D. Port monitoring
E. VLANs
Answer: CE
Explanation:
Port mirroring is used on a network switch to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port. This is commonly used for network appliances that require monitoring of network traffic, such as an intrusion detection system, passive probe or real user monitoring (RUM) technology that is used to support application performance management (APM).
In computer networking, a single layer-2 network may be partitioned to create multiple distinct
broadcast domains, which are mutually isolated so that packets can only pass between them via one or more routers; such a domain is referred to as a Virtual Local Area Network, Virtual LAN or VLAN.
QUESTION 24
A technician decides to upgrade a router before leaving for vacation. While away, users begin to report slow performance. Which of the following practices allows other technicians to quickly return the network to normal speeds?
A. Change management
B. Baselines
C. Asset management
D. Cable management
Answer: A
Explanation:
As soon as technician found a problem he generates a change management request to make changes to fast up the speed of router.
QUESTION 25
Which of the following would a network administrator recommend to satisfy fault tolerance needs within the datacenter?
A. Multimode fiber
B. Setting up a new hot site
C. Central KVM system
D. Central UPS system
Answer: D
Explanation:
For unintruppted power supply we need ups as from this no power issue will come and our systems will remain safe.
QUESTION 26
During a disaster recovery test, several billing representatives need to be temporarily setup to take payments from customers. It has been determined that this will need to occur over a wireless network, with security being enforced where possible. Which of the following configurations should be used in this scenario?
A. WPA2, SSID enabled, and 802.11n.
B. WEP, SSID enabled, and 802.11b.
C. WEP, SSID disabled, and 802.11g.
D. WPA2, SSID disabled, and 802.11a.
Answer: D
Explanation:
WPA2 is a security technology commonly used on Wi-Fi wireless networks. WPA2 (Wireless Protected Access 2) replaced the original WPA technology on all certified Wi-Fi hardware since 2006 and is based on the IEEE 802.11i technology standard for data encryption.
QUESTION 27
Which of the following wiring distribution types, often found in company closets, is used to connect wiring from individual offices to the main LAN cabling?
A. MDF
B. 66 block
C. IDF
D. Patch panel
Answer: D
Explanation:
A patch panel, patch bay, patch field or jack field is a number of circuits, usually of the same or similar type, which appear on jacks for monitoring, interconnecting, and testing circuits in a convenient, flexible manner.
QUESTION 28
Which of the following network access security methods ensures communication occurs over a secured, encrypted channel, even if the data uses the Internet?
A. MAC filtering
B. RAS
C. SSL VPN
D. L2TP
Answer: C
Explanation:
SSL VPN consists of one or more VPN devices to which the user connects by using his Web browser. The traffic between the Web browser and the SSL VPN device is encrypted with the SSL protocol or its successor, the Transport Layer Security (TLS) protocol.
QUESTION 29
Which of the following is the difference between 802.11b and 802.11g?
A. Distance
B. Frequency
C. Speed
D. Transmission power
Answer: C
Explanation:
802.11b has a maximum speed of 11Mbps whereas 802.11g has a speed of 54Mbps.
QUESTION 30
Users are reporting that some Internet websites are not accessible anymore. Which of the following will allow the network administrator to quickly isolate the remote router that is causing the network communication issue, so that the problem can be reported to the appropriate responsible party?
A. Ping
B. Protocol analyzer
C. Tracert
D. Dig
Answer: C
Explanation:
Tracet command will tell the administrator which route is not present or which is present so he will come to know whether he has appropriate route or not.
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