单选题How does using the service password encryption command on a router provide additional security? （）Aby encrypting all passwords passing through the routerBby encrypting passwords in the plain text configuration fileCby requiring entry of encrypted passwords for access to the deviceDby configuring an MD5 encrypted key to be used by routing protocols to validate routing exchangesEby automatically suggesting encrypted passwords for use in configuring the router
单选题
How does using the service password encryption command on a router provide additional security? （）
A
by encrypting all passwords passing through the router
B
by encrypting passwords in the plain text configuration file
C
by requiring entry of encrypted passwords for access to the device
D
by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E
by automatically suggesting encrypted passwords for use in configuring the router
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相关考题：
Which command encrypts all plaintext passwords?() A.Router(config)#password-encryptionB.Router(config)#service password-encryptionC.Router#service password-encryptionD.Router# password-encryption
What is the effect of using the service password-encryption command?（）A、Only passwords configured after the command has been entered will beencrypted.B、Only the enable password will be encrypted.C、Only the enable secret password will beencryptedD、It will encrypt the secret password and remove the enable secret password from the configuration.E、It will encrypt all current and future passwords.
What is the effect of using the service password-encryption comma（）。A、Only the enable password will be encrypted.B、Only the enable secret password will be encrypted.C、Only passwords configured after the command has been entered will be encrypted.D、It will encrypt the secret password and remove the enable secret password fromthe configuration.E、It will encrypt all current and future passwords.
What is the effect of using the service password-encryption command?（）A、only passwords configured after the command has been entered will be encryptedB、Only the enable password will be encryptedC、Only the enable secret password will be encryptedD、It will encrypt the secret password and remove the enable secret password from the configurationE、It will encrypt all current and future passwords.
Refer to the exhibit. What does the option secret 5 in the username global configuration mode commandindicate about the enable secret password？（）A、It is hashed using SHAB、It is encrypted using DH group 5C、It is hashed using MD5D、It is encrypted via the service password-encryption commandE、It is hashed using a proprietary Cisco hashing algorithmF、It is encrypted using a proprietary Cisco encryption algorithm
下列关于 service password-encryption 命令的说法中哪项正确？ （）A、service password-encryption 命令应在特权执行模式提示符下输入。B、service password-encryption 命令只加密控制台与 VTY 端口的口令。C、service password-encryption 命令对运行配置中先前未加密的所有口令进行加密。D、若要查看通过 service password-encryption 命令加密的口令，可输入 no service password-encryption 命令。
As a candidate for CCNA examination， when you are familiar with the basic commands， if you input thecommand "enable secret level 5 password" in the global mode ， what does it indicate？（）A、Set the enable secret command to privilege level 5B、The enable secret password is hashed using MD5C、The enable secret password is for accessing exec privilege level 5D、The enable secret password is hashed using SHAE、The enable secret password is encrypted using Cisco proprietary level 5 encryption
What will be disabled as a result of the no service password-recovery command？（）A、password encryption serviceB、changes to the config-register settingC、the xmodem privilege EXEC mode command to recover the Cisco IOS imageD、ROMMON
Which command encrypts all plaintext passwords?（）A、Router(config)#password-encryptionB、Router(config)#service password-encryptionC、Router#service password-encryptionD、Router# password-encryption
How does using the service password encryption command on a router provide additional security?（）A、by encrypting all passwords passing through the routerB、by encrypting passwords in the plain text configuration fileC、by requiring entry of encrypted passwords for access to the deviceD、by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchangesE、by automatically suggesting encrypted passwords for use in configuring the router
You were recently hired by Certkiller .com as a database administrator. You are asked to find out whether the currently functional listener process， named L1， has been password protected or not. You are not familiar with the file system of the new organization. How would you accomplish the task？（）A、 by using the STATUS command of the Listener control utilityB、 by using the STATUS L1 command of the Listener control utilityC、 by using the SHOW RULES command of the Listener control utilityD、 by using the SET PASSWORD command of the Listener control utilityE、 by searching for the PASSWORD_LISTENER entry in the listener.ora file
Which two statements are true about encrypting RMAN backup？（）A、 The transparent encryption of backups uses the encryption walletB、 The database uses the same encryption key for every encrypted backupC、 The password encryption of backups only uses the password while creating and restoring backupD、 If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
单选题As a candidate for CCNA examination， when you are familiar with the basic commands， if you input thecommand "enable secret level 5 password" in the global mode ， what does it indicate？（）ASet the enable secret command to privilege level 5BThe enable secret password is hashed using MD5CThe enable secret password is for accessing exec privilege level 5DThe enable secret password is hashed using SHAEThe enable secret password is encrypted using Cisco proprietary level 5 encryption
单选题You were recently hired by an organization as a database administrator. You are asked to find out whether the currently functional listener process， named L1， has been password protected or not. You are not familiar with the file system of the new organization. How would you accomplish the task？（）Aby using the STATUS command of the Listener control utilityBby using the STATUS L1 command of the Listener control utilityCby using the SHOW RULES command of the Listener control utilityDby using the SET PASSWORD command of the Listener control utilityEby searching for the PASSWORD_LISTENER entry in the listener.ora file
单选题What is the effect of using the service password-encryption comma（）。AOnly the enable password will be encrypted.BOnly the enable secret password will be encrypted.COnly passwords configured after the command has been entered will be encrypted.DIt will encrypt the secret password and remove the enable secret password fromthe configuration.EIt will encrypt all current and future passwords.
多选题Which two statements are true about encrypting RMAN backup？（）AThe transparent encryption of backups uses the encryption walletBThe database uses the same encryption key for every encrypted backupCThe password encryption of backups only uses the password while creating and restoring backupDIf transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
单选题How does using the service password encryption command on a router provide additional security?（）Aby encrypting all passwords passing through the routerBby encrypting passwords in the plain text configuration fileCby requiring entry of encrypted passwords for access to the deviceDby configuring an MD5 encrypted key to be used by routing protocols to validate routing exchangesEby automatically suggesting encrypted passwords for use in configuring the router
单选题What is the effect of using the service password-encryption command?（）Aonly passwords configured after the command has been entered will be encryptedBOnly the enable password will be encryptedCOnly the enable secret password will be encryptedDIt will encrypt the secret password and remove the enable secret password from the configurationEIt will encrypt all current and future passwords.
单选题Refer to the exhibit. What does the option secret 5 in the username global configuration mode commandindicate about the enable secret password？（）AIt is hashed using SHABIt is encrypted using DH group 5CIt is hashed using MD5DIt is encrypted via the service password-encryption commandEIt is hashed using a proprietary Cisco hashing algorithmFIt is encrypted using a proprietary Cisco encryption algorithm
单选题What will be disabled as a result of the no service password-recovery command？（）Apassword encryption serviceBchanges to the config-register settingCthe xmodem privilege EXEC mode command to recover the Cisco IOS imageDROMMON
单选题下列关于 service password-encryption 命令的说法中哪项正确？ （）Aservice password-encryption 命令应在特权执行模式提示符下输入。Bservice password-encryption 命令只加密控制台与 VTY 端口的口令。Cservice password-encryption 命令对运行配置中先前未加密的所有口令进行加密。D若要查看通过 service password-encryption 命令加密的口令，可输入 no service password-encryption 命令。
单选题下列命令中，（）能加密所有明文口令。ARouter（config）#password-encryptionBRouter（config）#service password-encryptionCRouter#service password-encryptionDRouter#password-encryption
单选题Which command encrypts all plaintext passwords?（）ARouter(config)#password-encryptionBRouter(config)#service password-encryptionCRouter#service password-encryptionDRouter# password-encryption
单选题What is the effect of using the service password-encryption command?（）Anly passwords configured after the command has been entered will be encrypted.BOnly the enable password will be encrypted.COnly the enable secret password will be encryptedDIt will encrypt the secret password and remove the enable secret password from the configuration.EIt will encrypt all current and future passwords.