Comptia (N10-007) Exam Questions And Answers page 14
A network technician needs a secure way to access a router in another country. Which of the following methods would meet this requirement?
Device HTTP URL
TFTP upload
GRE tunnel
Network Security
A network administrator migrated the data for the corporate email service from one provider to another. All DNS records were successfully changed and verified. However, many hours later, users are still receiving new emails on the old provider s server. Which of the following should the administrator perform NEXT to troubleshoot the issue?
Add a secondary MX server to the DNS records.
Remove old SPF records from the DNS host.
Create a DMARC record that includes the old server.
Check the TTL value on the MX records.
Network Troubleshooting and Tools
Which DNS record type helps with email routing?
Single Choice
Which of the following DNS record types assists with the routing of email?
MX
PTR
SRV
AAAA
Network Security
Network Troubleshooting and Tools
A technician is trying to identify the cause of an issue several wireless users are experiencing at an office. The office is in a square-shaped building, with four 802.11b WAPs with omnidirectional antennas located in the four corners of the building. Users near the center of the building report sporadic issues connecting to resources. The technician checks the signal strength in the middle of the building and determines it is adequate. Which of the following is causing the reported issue?
The antenna types are incorrect, and unidirectional should be used.
MAC filtering has not been updated.
There is channel overlap of the access points.
The power levels are set too low on the WAPs.
Network Operations
Network Security
A network technician is setting up the wireless network for a company s new branch office. After doing a site survey, the technician discovers there is a lot of interference from 2.4GHz devices at the location on channel 11. Which of the following would be the BEST channel on which to set up the WAPs?
Channel 6
Channel 7
Channel 9
Channel 10
Network Operations
Network Security
The following instructions were published about the proper network configuration for a videoconferencing device:
Configure a valid static RFC1918 address accordingly to your network. Check the option to use a connection over NAT .
Which of the following is a valid IP address configuration for the device?
Configure a valid static RFC1918 address accordingly to your network. Check the option to use a connection over NAT .
Which of the following is a valid IP address configuration for the device?
FE80::1
100.64.0.1
169.254.1.2
172.19.0.2
224.0.0.12
Networking Concepts
Network Operations
A network technician is segmenting network traffic into various broadcast domains. Which of the following should the network technician utilize?
VLAN
STP
ACL
BPDU
Network Operations
Network Security
The backup server connects to a NAS device using block-level storage over Ethernet. The performance is very slow, however, and the network technician suspects the performance issues are network related. Which of the following should the technician do to improve performance?
Utilize UDP to eliminate packet overhead
Turn off MDIX settings on the NAS and server switchports
Enable jumbo frames on the NAS and server
Encapsulate the storage traffic in a GRE tunnel
Network Operations
Network Security
A company hires another firm to test the integrity of its information security controls. This is an example of:
role separation
device hardening
risk assessment
penetration testing
Network Security
What authentication protocol does Active Directory use?
Single Choice
Which of the following protocols is used by Active Directory for authentication?
SSH
SFTP
LDAP
TLS
Network Security
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