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单选题
A user is attempting to access a website but is getting a ‘Page cannot be displayed’ error. The technician checks the IP address of the computer and sees that it has been assigned 169.254.10.70. Which of the following is the MOST likely cause?（）
A
The device is located behind a firewall.
B
The network card is disabled.
C
The device is not configured for DHCP.
D
The device cannot locate a DHCP server.
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更多 “单选题A user is attempting to access a website but is getting a ‘Page cannot be displayed’ error. The technician checks the IP address of the computer and sees that it has been assigned 169.254.10.70. Which of the following is the MOST likely cause?（）A The device is located behind a firewall.B The network card is disabled.C The device is not configured for DHCP.D The device cannot locate a DHCP server.” 相关考题
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A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?（）A、Invalid IP addressB、FTP program is not workingC、Port 21 is blockedD、The FTP site is down
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All users within an office are wirelessly connected to a network, except one user that has a valid connection on a leased IP address in a different range. Which of the following is a possible cause of the user having a different IP address range?（）A、The wireless access point is using MAC address filteringB、The user has connected to a nearby wireless access point from another officeC、The user has configured the wireless settings with the wrong encryption typeD、The wireless access point has SSID broadcast disabled
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A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A、The wrong cable type has been used.B、. IDS has shut down the computer's switch port.C、The port on the switch is configured incorrectlyD、Spanning tree protocol was implemented.
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Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）A、After an unsuccessful rebootB、If a user’s IP address has been spoofedC、After using IPCONFIG /RELEASED、If the computer has an ARP address conflict
考题
A user is attempting to access a website but is getting a ‘Page cannot be displayed’ error. The technician checks the IP address of the computer and sees that it has been assigned 169.254.10.70. Which of the following is the MOST likely cause?（）A、The device is located behind a firewall.B、The network card is disabled.C、The device is not configured for DHCP.D、The device cannot locate a DHCP server.
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A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）A、The VLAN is misconfiguredB、The user has an improperly configured NICC、The DHCP server is downD、The DNS server is down
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A computer that has dynamic IP addressing is not receiving an IP address. Which of the following is MOST likely the problem?（）A、SNMPB、DHCPC、DNSD、NAT
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A user attempts to login to a bookmarked site but is prompted for their social security number,mother’s maiden name and date of birth. Which of the following has MOST likely happened?（）A、The website has updated the security policies.B、The user’s identity has been stolen.C、The browser has been hijacked.D、The user typed the website address incorrectly.
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If a user attempts to go to a website and notices the URL has changed， which of the following attacks is MOST likely the cause？（）A、DLL injectionB、DDoS attackC、DNS poisoningD、ARP poisoning
考题
A user states that they cannot access a network shared drive. The technician has verified that the clients network cable is good. The IP address of the machine is 169.254.10.15. Which of the following is the cause of the problem？（）A、The WINS server is not resolving names properly.B、The DNS server is not resolving names.C、The DHCP server is out of IP address leases.D、The hosts file is corrupted.
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A user is browsing to a newly created internal site called www.comptia.org. After putting incredentials the page comes up blank. Which of the following is MOST likely the cause?（）A、The user must add the new site to the local log file.B、A proxy exception has not been configured.C、SMTP has not been configured.D、The loopback address has not been configured.
考题
An administrator is trying to connect to an RSA-II adapter using the default IP address found in the installation manual of 192.168.70.125. The Web browser returns a "page cannot be displayed" message， and a ping returns a "request timed out" message. Which of the following is the most likely cause of the problem？（）A、The RSA II adapter has obtained a DHCP assigned address.B、The RSA II adapter requires independent power to function.C、The Class C IP address space is not being bridged on the network.D、The RSA II adapter needs to be configured using a serial connection.
考题
单选题A user is browsing to a newly created internal site called www.comptia.org. After putting incredentials the page comes up blank. Which of the following is MOST likely the cause?（）A
The user must add the new site to the local log file.B
A proxy exception has not been configured.C
SMTP has not been configured.D
The loopback address has not been configured.
考题
单选题Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）A
After an unsuccessful rebootB
If a user’s IP address has been spoofedC
After using IPCONFIG /RELEASED
If the computer has an ARP address conflict
考题
单选题An administrator is trying to connect to an RSA-II adapter using the default IP address found in the installation manual of 192.168.70.125. The Web browser returns a "page cannot be displayed" message， and a ping returns a "request timed out" message. Which of the following is the most likely cause of the problem？（）A
The RSA II adapter has obtained a DHCP assigned address.B
The RSA II adapter requires independent power to function.C
The Class C IP address space is not being bridged on the network.D
The RSA II adapter needs to be configured using a serial connection.
考题
单选题A technician cannot access the print queue to delete a print job. Which of the following is the MOST likely cause of this issue? （）A
Print spooler has stalledB
Device driver has failureC
Incorrect form is printingD
Incompatible driver is installed
考题
单选题A computer that has dynamic IP addressing is not receiving an IP address. Which of the following is MOST likely the problem?（）A
SNMPB
DHCPC
DNSD
NAT
考题
单选题A user attempts to login to a bookmarked site but is prompted for their social security number,mother’s maiden name and date of birth. Which of the following has MOST likely happened?（）A
The website has updated the security policies.B
The user’s identity has been stolen.C
The browser has been hijacked.D
The user typed the website address incorrectly.
考题
单选题A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）A
Power cycle the VPN concentrator at the office.B
Determine if the VPN service is running at the office.C
Reinstall the VPN client at the remote computer.D
Determine if the user has the correct VPN address and password.
考题
单选题A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A
The wrong cable type has been used.B
. IDS has shut down the computer's switch port.C
The port on the switch is configured incorrectlyD
Spanning tree protocol was implemented.
考题
单选题A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）A
The VLAN is misconfiguredB
The user has an improperly configured NICC
The DHCP server is downD
The DNS server is down
考题
单选题All users within an office are wirelessly connected to a network, except one user that has a valid connection on a leased IP address in a different range. Which of the following is a possible cause of the user having a different IP address range?（）A
The wireless access point is using MAC address filteringB
The user has connected to a nearby wireless access point from another officeC
The user has configured the wireless settings with the wrong encryption typeD
The wireless access point has SSID broadcast disabled
考题
单选题If a user attempts to go to a website and notices the URL has changed， which of the following attacks is MOST likely the cause？（）A
DLL injectionB
DDoS attackC
DNS poisoningD
ARP poisoning
考题
单选题A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?（）A
Invalid IP addressB
FTP program is not workingC
Port 21 is blockedD
The FTP site is down
考题
单选题A user states that they cannot access a network shared drive. The technician has verified that the clients network cable is good. The IP address of the machine is 169.254.10.15. Which of the following is the cause of the problem？（）A
The WINS server is not resolving names properly.B
The DNS server is not resolving names.C
The DHCP server is out of IP address leases.D
The hosts file is corrupted.
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