Comptia (N10-007) Exam Questions And Answers page 65
A company is implementing a new firewall. The firewall is configured to allow only TCP ports 80 and 443 to exit the network and allow the same traffic back into the network using inbound stateful packet filtering. Users are not able to access URLs of common websites they visit. Which of the following is the MOST likely cause of the issue?
Web browsing uses UDP and not TCP ports 80 and 443.
The firewall does not allow UDP port 53 to enter and exit the network.
TCP 80 and 443 should be allowed inbound and stateful inspection should be allowed outbound.
Network Security
A university has a lecture hall containing 100 students. Currently, the lecture hall has two 802.11ac wireless access points, which can accommodate up to 50 devices each. Several students report they are unable to connect devices to the wireless network. Which of the following is MOST likely the issue?
One of the wireless access points is on the wrong frequency
The students are attempting to connect 802.11g devices
The students are using more than one wireless device per seat.
Distance limitations are preventing the students from connecting.
Network Operations
Network Security
Which of the following physical security controls is MOST likely to be susceptible to a false positive?
Identification card
Biometric device
Proximity reader
Video camera
Network Security
After several changes to the network, a technician needs to ensure a client is checking for new hostname and IP pairings. Which of the following commands should the technician use to force new lookups?
ipconfig /flushdns
ipconfig /release
ipconfig /renew
ipconfig /all
Network Operations
A network technician is installing a new wireless network for a client. The client has experienced issues with other building tenants connecting to the wireless network and utilizing the bandwidth. The client wants to prevent this from happening by using certificate-based authentication. Which of the following technologies should the network administrator implement?
WPA-PSK
EAP-TLS
AES-CCMP
WEP-TKIP
Network Security
Which of the following should a network administrator use to configure Layer 3 routes? (Choose two.)
Multilayer switch
Firewall
Hub
Bridge
Modem
Media converter
Networking Concepts
Network Security
A network technician has multimode fiber optic cable available in an existing IDF. Which of the following Ethernet standards should the technician use to connect the network switch to the existing fiber?
10GBaseT
1000BaseT
1000BaseSX
1000BaseLX
Network Operations
Network Security
In a service provider network, a company has an existing IP address scheme. Company A s network currently uses the following scheme:
Company b uses the following scheme:
Subnet 1: 192.168.1.50/28
The network administrator cannot force the customer to update its IP scheme. Considering this, which of the following is the BEST way for the company to connect these networks?
Company b uses the following scheme:
Subnet 1: 192.168.1.50/28
The network administrator cannot force the customer to update its IP scheme. Considering this, which of the following is the BEST way for the company to connect these networks?
DMZ
PAT
NAT
VLAN
Network Operations
Network Security
A user in the finance department can access the department printer and file server yet is unable to print to the marketing department s printer. A technician runs ipconfig and sees the following output:
IPv4 Address. . . . . . . . . . . : 192.168.0.101
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
The technician has verified the user s PC is in the proper VLAN and sees an UP/UP status on the switchport. Which of the following is MOST likely causing the issue?
IPv4 Address. . . . . . . . . . . : 192.168.0.101
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
The technician has verified the user s PC is in the proper VLAN and sees an UP/UP status on the switchport. Which of the following is MOST likely causing the issue?
The user s IP is the broadcast address.
The two printers share the same IP address.
There is an incorrect default gateway on the user s PC.
The ARP table on the switch has not been cleared.
Network Operations
Network Security
A client utilizes mobile tablets to view high-resolution images and videos via WiFi within a corporate office building. The previous administrator installed multiple high-density APs with WiFi 5, providing maximum coverage, but the measured performance is still below expected levels. Which of the following would provide the BEST solution?
Channel bonding
EIRP power settings
Antenna polarization
A directional antenna
Network Operations
Network Troubleshooting and Tools
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