2017/New N10-006: CompTIA Network+ Certification Exam Questions Updated Today!
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QUESTION 41
A technician is developing a shortcut sheet for the network to be able to assist in future troubleshooting scenarios. Which of the following should the network devices have to ease manageability efforts?
A. MAC spoofing
B. Dynamic IPs
C. MAC filtering
D. Static IPs
Answer: D
Explanation:
To give every user same ip every time because we have to document that ip slot we use static ip configuration.
QUESTION 42
A technician is troubleshooting a computer that will not connect to the Internet. The PC is connected to the network. Which of the following tools should the technician use FIRST to understand the NIC configuration?
A. Protocol analyzer
B. ipconfig
C. nslookup
D. tracert
Answer: B
Explanation:
ipconfigis a commmand line utility available on all versions of Microsoft Windows starting with Windows NT. ipconfig is designed to be run from the Windows command prompt. This utility
allows you to get the IP address information of a Windows computer. It also allows some control over active TCP/IP connections. ipconfig is an alternative to the older ‘winipcfg’ utility.
QUESTION 43
A user reports that several spots within the company’s office have intermittent connectivity issues with the newly installed wireless network. There are several WAPs located around the office to provide a strong signal wherever the users are. Which of the following is the MOST likely cause of the problem?
A. Incompatible network card
B. Channel overlap
C. Latency
D. WEP encryption
Answer: B
Explanation:
To reduce interference between wireless APs, ensure that wireless APs with overlapping signals use unique channel frequencies. The 802.11b standard reserves 14 frequency channels for use with wireless APs.
QUESTION 44
Ann, a new user, has a workstation that has connectivity to the printer located in her department, but cannot access the Internet. The result of an ipconfig command on Ann’s workstation is as follows:
IP address: 192.168.0.124
Subnet Mask: 255.255.255.128
Default Gateway: 192.168.0.254
Which is MOST likely preventing the user from accessing the Internet?
A. Duplicate IP address
B. Incorrect gateway
C. Incorrect VLAN
D. Bad switch port
Answer: B
Explanation:
We usually give default gateway as an end device which is directly connected with ISP so in this case user has lost his connectivity with due to wrong default gateway configured.
QUESTION 45
A customer is implementing a VoIP infrastructure using an existing network. The customer currently has all network devices on the same subnet and would like the phones to be powered without the use of an AC adapter. Which of the following features should be enabled and configured to allow for reliable performance of the VoIP system? (Select THREE).
A. WEP
B. PoE
C. VLANs
D. SSL VPN
E. IDS
F. QoS
Answer: BCF
Explanation:
As customer don’t want to use Ac adapter so Power over Ethernet is best option (PoE) as in this switch provide power to phones.Phones will transfer their power requirement via cdp to vlan assigned.And Qos provide the voice packet priority over the data packets to avoid jitter.
QUESTION 46
A customer is having problems connecting to a wireless network in a shared office space. The customer can detect several other wireless network signals. All of the wireless networks have different SSIDs but several are using the same encryption type. Which of the following should be configured on the customer’s wireless network to improve connectivity to the wireless network?
A. Change the SSID to match other wireless networks for increased throughput.
B. Change the encryption type to a different mechanism to avoid interference.
C. Change the channel to a different channel than the other wireless networks.
D. Change the WAP to a different manufacturer than the other wireless networks.
Answer: C
Explanation:
To reduce interference between wireless APs, ensure that wireless APs with overlapping signals use unique channel frequencies. The 802.11b standard reserves 14 frequency channels for use with wireless APs. You can use any other channel instead of the one that you are using.
QUESTION 47
Users at a remote site are unable to establish a VPN to the main office. At which of the following layers of the OSI model does the problem MOST likely reside?
A. Presentation
B. Application
C. Physical
D. Session
Answer: D
QUESTION 48
A network technician is setting up a wireless access point that would only allow a certain laptop to be able to access the WAP. By using ACL, which of the following would be filtered to ensure only the authorized laptop can access the WAP?
A. NetBIOS name filtering
B. IP address filtering
C. MAC address filtering
D. Computer name filtering
Answer: C
Explanation:
MAC Filtering (or EUI filtering, or layer 2 address filtering) refers to a security access control method whereby the 48-bit address assigned to each network card is used to determine access to the network.
MAC addresses are uniquely assigned to each card, so using MAC filtering on a network permits and denies network access to specific devices through the use of blacklists and whitelists. While the restriction of network access through the use of lists is straightforward, an individual person is not identified by a MAC address, rather a device only, so an authorized person will need to have a whitelist entry for each device that he or she would use to access the network.
QUESTION 49
Which of the following is the common port used for IMAP?
A. 25
B. 53
C. 143
D. 443
Answer: C
Explanation:
The Internet Message Access Protocol (commonly known as IMAP) is an Application Layer Internet protocol that allows an e-mail client to access e-mail on a remote mail server. The current version, IMAP version 4 revision 1 (IMAP4rev1), is defined by RFC 3501. An IMAP server typically listens on well-known port 143
QUESTION 50
A company has just installed a new network switch for an expanding department. The company is also piloting the use of a VoIP phone system for this department. Which of the following should be enabled on the new network switch?
A. WINS
B. QoS
C. NAT
D. DHCP
Answer: B
Explanation:
Qos provide the voice packet priority over the data packets to avoid jitter and delay.
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