CompTIA N10-007 問題集

質問 1：
A technician is troubleshooting a server In the finance office that hosts an internal accounting program. The ticketing desk has received several calls from users reporting that access to the accounting program is degraded, and they are experiencing severe delays, sometimes timing out entirely. The problem has been isolated to the server. Which of the following tools should the technician use on the server to narrow down the issue?
A. nslookup
B. pathping
C. netstat
D. iptables
正解：B

質問 2：
Which of the following can a network administrator use to access a network switch using standard AAA configurations?
A. Local authentication
B. LDAP
C. TACACS+
D. Single sign-on
正解：C

質問 3：
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?
A. TCP 80 and 443 should be allowed inbound and stateful inspection should be allowed outbound.
B. Stateful packet filtering only allows connections that originate outside the network to enter.
C. The firewall does not allow UDP port 53 to enter and exit the network.
D. Web browsing uses UDP and not TCP ports 80 and 443.
正解：C

質問 4：
A zero-day vulnerability is discovered that affects a specific network device. This vulnerability only affects services on port 21. This network device is restricted to use only secure protocols and services. Which of the following explains why this device is secure?
A. Because SCP is not a secure service
B. Because secure protocols would reject malicious packets
C. Because a secure firewall will protect the device
D. Because FTP is not a secure service
正解：D

質問 5：
A company recently experienced a breach that brought its business to a halt. An attacker was able to access its intemal systems, run elevated commands to retrieve sensitive data, and then remove critical OS files. The company wants to stop such attacks in the future. Which of the following should a technician recommend?
A. IPS
B. ISDN
C. IDS
D. IDF
E. ICS
正解：A

質問 6：
An attacker quickly gains administrative access to a network device. Which of the following MOST likely allowed the attacker to guess the password?
A. A hash comparison
B. Rainbow tables
C. Man in the middle
D. A brute-force attack
正解：B

質問 7：
A network technician is troubleshooting a PC that cannot access the Internet. However, the PC responds to ICMP echo requests from the same subnet. Which of the following is the MOST likely reason the PC cannot communicate externally?
A. The loopback address is being used.
B. The PC does not have an IP reservation.
C. The default gateway is incorrect.
D. The virtual IP has not been configured.
正解：A

質問 8：
A small business utilizes a SOHO router and wishes to secure its existing wireless infrastructure. The business has fewer than ten devices, which are a mixture of old and new machines. Due to the varying ages of the machines, the latest wireless encryption methods may not be supported on all devices. Which of the following would be the MOST cost-effective method to add a layer of security while allowing all machines to connect?
A. EAP-FAST
B. MAC filtering
C. WPA2
D. 802.1X
正解：C

質問 9：
A vendor is installing an Ethernet network in a new hospital wing. The cabling is primarily run above the ceiling grid near air conditioning ducts and sprinkler pipes. Which of the following cable types is required for this installation'?
A. PVC
B. Cat 7
C. Plenum
D. Single-mode
正解：D