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Following questions and answers are all new published by CompTIA Official Exam Center: https://www.lead2pass.com/n10-006.html
QUESTION 601
Which of the following protocols is used to transmit outgoing email?
A. RDP
B. NTP
C. POP3
D. SMTP
Answer: D
QUESTION 602
A network technician is configuring a wireless network. To avoid interference from other wireless networks in the area, the technician should change which setting?
A. Channel
B. SSID
C. Firewall rule
D. Encryption
Answer: A
QUESTION 603
A user is unable to print to a network printer. Which of following is the FIRST step that a technician should take to troubleshoot the issue?
A. Identify the problem.
B. Establish a plan of action to resolve the problem.
C. Establish a theory of probable cause.
D. Implement preventative measures.
Answer: A
QUESTION 604
Which of the following is a purpose of a VLAN?
A. Decreases bandwidth on a network
B. Segments broadcast traffic
C. Increases port speed
D. Allows another connection to the router
Answer: B
QUESTION 605
Which of the following would Sandy, a technician, find in a network map?
A. QoS standards
B. MDF/IDFs
C. System logs
D. Firewall rules
Answer: B
QUESTION 606
Which of the following protocols would be used to send email to an email server?
A. NTP
B. FTP
C. SNMP
D. SMTP
Answer: D
QUESTION 607
Which of the following default ports would need to be open on a firewall to allow remote desktop access?
A. 143
B. 443
C. 3389
D. 8080
Answer: C
QUESTION 608
After plugging a cable into a computer, a user reports there is no network access. Which of the following tools would the technician MOST likely check to verify that the cable was crimped correctly?
A. Punch down tool
B. Cable certifier
C. Loopback plug
D. Toner probe
Answer: B
QUESTION 609
Which of the following DNS records would allow for a website to have more than one FQDN?
A. TXT
B. PTR
C. MX
D. CNAME
Answer: D
QUESTION 610
A small office home office (SOHO) customer is going to be replacing their switch. The customer also wants to add a WAP in a dropped ceiling; however, there are no power outlets above the drop ceiling, but there is a CAT5e network jack. Which of the following technologies should the new switch have to allow this WAP to be placed where the customer requests, without any other major changes to the environment?
A. PoE
B. Layer 3 switching
C. STP
D. VLAN
Answer: A
QUESTION 611
Tenants access multiple wireless networks in a building. Users report intermittent connectivity. Which of the following is the MOST likely cause of the problem?
A. The channels are overlapping with other wireless networks and should be changed.
B. The SSIDs are incompatible and should be renamed.
C. The users have incompatible wireless network cards and should upgrade.
D. The default idle period for logoff is too short and should be changed to a longer limit.
Answer: A
QUESTION 612
A network administrator is configuring PXE boot to reimage a computer lab. Which of the following must be configured on the existing DHCP server to specify the IP address of the imaging server from which the clients must boot?
A. Scope
B. Reservation
C. Option
D. Lease
Answer: C
QUESTION 613
Which of the following network topologies would be the BEST choice in providing network redundancy for an organization?
A. Star
B. Hybrid
C. Mesh
D. Point to Point
Answer: C
QUESTION 614
Which of the following network performance optimization methods allows for frequently accessed sites to be housed locally, thereby reducing bandwidth requirements?
A. Load balancing
B. Traffic policing
C. Caching engines
D. Traffic shaping
Answer: C
QUESTION 615
A network technician suspects that there is an issue with the routing table on a Windows- based server. Which of the following commands will enable the technician to validate this hypothesis?
A. route print
B. route
C. ipconfig
D. tracert
Answer: A
QUESTION 616
During business hours, users at a small office are reporting that all of a sudden they are unable to reach any host on the Internet, but they can still use the network shares to transfer files within the office. Which of the following is the MOST likely cause of the outage?
A. Wrong gateway
B. Failed router
C. Bad switch module
D. Incorrect VLAN
Answer: B
QUESTION 617
A small business owner is in the process of setting up a SOHO office. The office has only one connection to the Internet via a broadband cable connection. The office has four subnets that must be able to connect to the Internet. Which of the following devices would enable the owner to meet these requirements?
A. A firewall
B. A router
C. A hub
D. A Layer 2 switch
Answer: B
QUESTION 618
Matt, an administrator, notices a flood fragmented packet and retransmits from an email server. After disabling the TCP offload setting on the NIC, Matt sees normal traffic with packets flowing in sequence again. Which of the following utilities was he MOST likely using to view this issue?
A. Spam filter
B. Protocol analyzer
C. Web application firewall
D. Load balancer
Answer: B
QUESTION 619
Which of the following BEST describes how a layer 2 switch functions?
A. Switches packets within the same subnet based on MAC addresses
B. Switches packets between different subnets based on IP addresses
C. Switches packets between different subnets based on MAC addresses
D. Switches packets within the same subnet based on IP addresses
Answer: A
QUESTION 620
Jeff, a technician, has been asked to add a subnet to the company’s LAN. Which of the following interfaces on the router will be modified?
A. FastEthernet 0/0
B. AUX 0
C. Console 0
D. Serial 0/0/0
Answer: A
QUESTION 621
Jeff, a network engineer, is troubleshooting an issue where clients are not receiving IP addresses from a new, properly configured DHCP server on another subnet. Statically addressed clients can get onto the same network with no issues. Which of the following is causing the issue?
A. Incorrect VLAN tagging
B. Missing helper addresses
C. Wrong default gateway
D. Improper routing protocols
Answer: B
QUESTION 622
Which of the following subnet masks would allow for 192.168.0.3 and 192.168.0.240 to be in the same subnet?
A. 255.255.255.0
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.248
Answer: A
QUESTION 623
Jeff, an administrator, has just finished installing a new switch and connected two servers with IPs of 192.168.105.20 and .30. The servers are able to communicate with each other, but are unable to reach the Internet. Jeff sees the following information in the switch configuration:
interface VLAN 105
IP address 192.168.105.5 255.255.255.0
Jeff is able to ping the router at 192.168.105.1 from the switch. Which of the following is the MOST likely cause of the problem?
A. The subnet mask is incorrect.
B. A routing loop has occurred.
C. Jeff used a crossover cable to connect the switch to the gateway.
D. The server is missing default-gateway information.
Answer: D
QUESTION 624
Kim, a user, took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. She can reach the Internet, but cannot access any internal network resources.
Which of the following is the MOST likely reason?
A. Incorrect DNS
B. Incorrect subnet mask
C. Duplicate IP address
D. Incorrect SSID
Answer: A
QUESTION 625
Which of the following is the default subnet mask for a Class B address?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255
Answer: B
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