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单选题
An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server， how can the administrator check the status of the sshd subsystem？（）
A
lssys -a com
B
lssys -a sshd
C
lssrc -s sshd
D
lssrc -s tcpip
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An administrator notes that after a recent power outage, some open files were corrupted on one affected file server. Which of the following items should the administrator consider to determine the cause of this corruption?（）A、The server's memoryB、The server's RAID controller batteryC、The server's processorD、The server's NIC teaming configuration
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An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server, how can the administrator check the status of the sshd subsystem?（）A、lssys -a comB、lssys -a sshdC、lssrc -s sshdD、lssrc -s tcpip
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An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server， how can the administrator check the status of the sshd subsystem？（） A、lssys -a comB、lssys -a sshdC、lssrc -s sshdD、lssrc -s tcpip
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An administrator has just installed a web server for the company's Internet site. After bringing the system online, customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this?（）A、The server's firewall is misconfigured.B、The server's timeout feature is set incorrectly.C、The web server was not installed properly.D、The company firewall is misconfigured.
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An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）A、 Default gatewayB、 The ports on the switchC、 Port security on the servers switch portD、 Ethernet cable
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An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）A、Default gatewayB、The ports on the switchC、Port security on the server's switch portD、Ethernet cable
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An administrator has just installed a web server for the companys Internet site. After bringing the system online， customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this？（）A、 The servers firewall is misconfigured.B、 The server’s timeout feature is set incorrectly.C、 The web server was not installed properly.D、 The company firewall is misconfigured.
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An administrator gets a call that multiple users do not have network access to the company server that they have been using for five years. Users can access the other servers and computers in the building and check their home email accounts. The administrator tests the server’s Ethernet cable，verifies it works， and plugs it back into the NIC only to receive no status lights. Which of the following BEST indicates the problem？（）A、The DNS server is down.B、The NIC driver on the server is malfunctioning.C、The DHCP server is down.D、The server’s NIC is malfunctioning.
考题
After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（）A、en0 has no associated ip address.B、serverB is missing its default route.C、serverB and serverA cannot connect due to a firewall.D、en0 has been set up to block traffic from servers that are in different subnets.
考题
Which command will list all subsystem resources on a server？（）A、lssrc aB、lssrc gC、lssrc lD、lssrc -s
考题
单选题An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server, how can the administrator check the status of the sshd subsystem?（）A
lssys -a comB
lssys -a sshdC
lssrc -s sshdD
lssrc -s tcpip
考题
单选题After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（）A
en0 has no associated ip address.B
serverB is missing its default route.C
serverB and serverA cannot connect due to a firewall.D
en0 has been set up to block traffic from servers that are in different subnets.
考题
单选题An administrator gets a call that multiple users do not have network access to the company server that they have been using for five years. Users can access the other servers and computers in the building and check their home email accounts. The administrator tests the server’s Ethernet cable，verifies it works， and plugs it back into the NIC only to receive no status lights. Which of the following BEST indicates the problem？（）A
The DNS server is down.B
The NIC driver on the server is malfunctioning.C
The DHCP server is down.D
The server’s NIC is malfunctioning.
考题
单选题A user is unable to connect to the company's intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup. The problem is persisting after running ipconfig /flushdns. Which of the following should the administrator do NEXT?（）A
Examine the Imhost file.B
Flush the cache on the DNS server.C
Flush the cache on the WINS server.D
Examine the hosts file
考题
单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）A
Default gatewayB
The ports on the switchC
Port security on the server's switch portD
Ethernet cable
考题
单选题An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server, how can the administrator check the status of the sshd subsystem?（）A
lssys -a comB
lssys -a sshdC
lssrc -s sshdD
lssrc -s tcpip
考题
单选题An administrator has just installed a web server for the companys Internet site. After bringing the system online， customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this？（）A
The servers firewall is misconfigured.B
The server’s timeout feature is set incorrectly.C
The web server was not installed properly.D
The company firewall is misconfigured.
考题
单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）A
Default gatewayB
The ports on the switchC
Port security on the servers switch portD
Ethernet cable
考题
单选题An administrator has just installed a web server for the company's Internet site. After bringing the system online, customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this?（）A
The server's firewall is misconfigured.B
The server's timeout feature is set incorrectly.C
The web server was not installed properly.D
The company firewall is misconfigured.
考题
单选题The server administrator discovers that a server， which has not been patched， is runningextremely slow and suspects that the server may have been compromised. Which of the following commands should the administrator use to check the number of network connections the server is making？（）A
netstatB
pingC
nslookupD
grep
考题
单选题An administrator notes that after a recent power outage, some open files were corrupted on one affected file server. Which of the following items should the administrator consider to determine the cause of this corruption?（）A
The server's memoryB
The server's RAID controller batteryC
The server's processorD
The server's NIC teaming configuration
考题
单选题After updating serverB's network configurations, anadministrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping's to the server fail, the administrator logs onto serverB via a console and finds an available interface en0 in the 'up' state. From the console connection, en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem?（）A
en0 has no associated ip address.B
serverB is missing its default route.C
serverB and serverA cannot connect due to a firewall.D
en0 has been set up to block traffic from servers that are in different subnets.
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