单选题Several users are sending emails to CompTIA.org. but they are not being received. Which of thefollowing commands could be used to verify that the company is able to connect to the mailservice at CompTIA.org?（）APingBArpCDigDtelnet
单选题
Several users are sending emails to CompTIA.org. but they are not being received. Which of thefollowing commands could be used to verify that the company is able to connect to the mailservice at CompTIA.org?（）
A
Ping
B
Arp
C
Dig
D
telnet
参考解析
解析：
暂无解析
相关考题：
Which of the following commands can be used to verify the gateway IP address on a localcomputer?() A. net useB. telnetC. pingD. ipconfig
An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）A. Issue the show ip route command on Router AB. Issue the show ip route command on Router BC. Issue the show cdp neighbors command on Router BD. Issue the show cdp neighbors detail command on Router CE. Issue the show arp command on Router AF. Issue the show arp command on Router B
Which router IOS commands can be used to troubleshoot LAN connectivity problems? () A.pingB.tracertC.ipconfigD.show ip routeE.winipcfgF.show interfaces
An administrator is in charge of several remote servers in Japan. Users call and complain they cannot connect to the company’s resources located on those servers. Which of the following commands would allow the administrator to verify the servers are running？（）A、pingB、netstatC、nbtstatD、telnet
Which of the following commands can be used to verify the gateway IP address on a localcomputer?（）A、net useB、telnetC、pingD、ipconfig
Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following could be the cause of this problem？（）A、The routing table on the AIX server is incorrect.B、The IP address on the network adapter is incorrect.C、The portmap daemon is not running on the AIX server.D、The inetd daemon is not running on the AIX server.
All of the following commands could be used to verify availability of tty devices on the system EXCEPT：（）。A、lsttyB、lsconsC、lsdevD、lscfg
An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）A、Issue the show ip route command on Router AB、Issue the show ip route command on Router BC、Issue the show cdp neighbors command on Router BD、Issue the show cdp neighbors detail command on Router CE、Issue the show arp command on Router AF、Issue the show arp command on Router B
Which router IOS commands can be used to troubleshoot LAN connectivity problems？（）A、pingB、tracertC、ipconfigD、show ip routeE、winipcfgF、show interfaces
Which of the following commands would be used to verify the integrity of critical system files?（）A、verifyB、nslookupC、sfcD、chkdsk
Several users are sending emails to CompTIA.org. but they are not being received. Which of thefollowing commands could be used to verify that the company is able to connect to the mailservice at CompTIA.org?（）A、PingB、ArpC、DigD、telnet
Which of the following commands would be used to verify and troubleshoot DNS settings of aparticular host on a Windows computer?（）A、TRACERTB、NSLOOKUPC、CHKDSKD、XCOPY
Which of the following utilities could be used to determine a subnet mask？（）A、PINGB、NSLOOKUPC、TRACERTD、IPCONFIG
You are ready to implement RMAN in the backup and recover strategy for your company. Which system privilege must the RMAN user have to be able to connect and execute RMAN commands on a target database？（）A、SYSDBAB、SYSOPERC、No system privileges are required for the RMAN user.D、Only SYS user can connect and execute RMAN commands on a target database.
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances. Which service should you start?（） A、Server B、SQL Server Agent C、SQL Server Browser D、SQL Active Directory Helper
Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following options could be the cause of this problem（）A、The routing table on the AIX server is incorrect.B、The IP address in the /etc/hosts file is incorrect，C、The portmap daemon is not running on the AIX server.D、The inetd daemon is not running on the AIX server.
单选题Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following could be the cause of this problem？（）AThe routing table on the AIX server is incorrect.BThe IP address on the network adapter is incorrect.CThe portmap daemon is not running on the AIX server.DThe inetd daemon is not running on the AIX server.
单选题Which of the following commands can be used to verify the gateway IP address on a localcomputer?（）Anet useBtelnetCpingDipconfig
单选题A company has had problems with their HVAC system being able to cool their datacenter as theyhave grown. Which of the following could BEST be used to help reduce the load on the HVACsystem?（）AReplacing the CAT5 cables with CAT6 cablesBReplacing traditional racks with water cooled racksCTurning off non-critical application servers during non-business hoursDTaking the second power supply out of non-critical servers
单选题You are ready to implement RMAN in the backup and recover strategy for your company. Which system privilege must the RMAN user have to be able to connect and execute RMAN commands on a target database？（）ASYSDBABSYSOPERCNo system privileges are required for the RMAN user.DOnly SYS user can connect and execute RMAN commands on a target database.
单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances. Which service should you start?（）AServer BSQL Server Agent CSQL Server Browser DSQL Active Directory Helper
单选题Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following options could be the cause of this problem（）AThe routing table on the AIX server is incorrect.BThe IP address in the /etc/hosts file is incorrect，CThe portmap daemon is not running on the AIX server.DThe inetd daemon is not running on the AIX server.
单选题Which of the following commands would be used to verify the integrity of critical system files?（）AverifyBnslookupCsfcDchkdsk
单选题An administrator is in charge of several remote servers in Japan. Users call and complain they cannot connect to the company’s resources located on those servers. Which of the following commands would allow the administrator to verify the servers are running？（）ApingBnetstatCnbtstatDtelnet
单选题An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）AIssue the show ip route command on Router ABIssue the show ip route command on Router BCIssue the show cdp neighbors command on Router BDIssue the show cdp neighbors detail command on Router CEIssue the show arp command on Router AFIssue the show arp command on Router B
单选题All of the following commands could be used to verify availability of tty devices on the system EXCEPT：（）。AlsttyBlsconsClsdevDlscfg
单选题Which of the following commands would be used to verify and troubleshoot DNS settings of aparticular host on a Windows computer?（）ATRACERTBNSLOOKUPCCHKDSKDXCOPY