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多选题
Which two statements are true about encrypting RMAN backup？（）
A
The transparent encryption of backups uses the encryption wallet
B
The database uses the same encryption key for every encrypted backup
C
The password encryption of backups only uses the password while creating and restoring backup
D
If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
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更多 “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” 相关考题
考题
Examine the following RMAN command:RMAN CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?()
A. Provide a password for the encryptionB. Set up an Oracle wallet for the encryptionC. No setup is required as it is a default encryption methodD. Both Oracle wallet and password must be set up for the encryption
考题
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.
考题
Which two statements are true about encrypting RMAN backup?() (Choose two.)
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.
考题
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The （ ） party uses the secret key as part of the mathematical operation to encrypt （ ） text to cipher text. The receiving party uses the same secret key to decrypt the cipher text to plain text. Asymmetric, or public-key, encryption uses two different keys for each user: one is a （ ） key known only to this one user; the other is a corresponding public key, which is accessible to anyone. The private and public keys are mathematically related by the encryption algorithm. One key ia used for encyption and the other for decryption, depending on the nature of the communication service being implemented. In addition, public key encryption technoligies allow digital （ ） to be placed on messages. A digital signature uses the senders private key to encrypt some portion of the message. When the message is received, the receiver uses the senders （ ） key tp decipher the digital signature to verify the senders identity.A.host B.terminal C.sending D.receiving A.plain B.cipher C.public D.private A.plain B.cipher C.public D.private A.interpretation B.signatures C.encryption D.decryption A.plain B.cipher C.public D.private
考题
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The （ ） party uses the secret key as part of the mathematical operation to encrypt （ ） text to cipher text. The receiving party uses the same secret key to decrypt the cipher text to plain text. Asymmetric, or public-key, encryption uses two different keys for each user: one is a （ ） key known only to this one user; the other is a corresponding public key, which is accessible to anyone. The private and public keys are mathematically related by the encryption algorithm. One key ia used for encyption and the other for decryption, depending on the nature of the communication service being implemented. In addition, public key encryption technoligies allow digital （_______） to be placed on messages. A digital signature uses the sender's private key to encrypt some portion of the message. When the message is received, the receiver uses the sender's （） key tp decipher the digital signature to verify the sender's identity.横线处应选（ ）。
A. interpretation
B.signatures
C. encryption
D.decryption
考题
Which two statements about the Wired Equivalent Privacy （WEP） encryption mechanism are true？ （）A、the two methods of authentication using the WEP encryption are open and shared keyB、the 802.11 standard defines WEP security using 128-bit keysC、WEP can provide stronger authentication through the use of LEAP， PEAP， or EAP-FASTD、WEP is a scalable encryption solution that uses static keys for authenticationE、WEP security provides only one-way authenticationF、WEPv2 offers improved encryption by replacing the RC4 encryption mechanism with the AES （symmetric block cipher） mechanism
考题
Which statement about OSPF authentication is true？（）A、To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstB、The payload of OSPF version 3 packets contains no authentication informationC、OSPF version 3 supports Advanced Encryption StandardD、OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE、OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
考题
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The company stores clients data in DB1. Clients can access their profile data by using a Web application. You must ensure the security of the customer data, you must ensure that even if the backup media is lost, data files, log files and subsequent backups and so on are quite safe. So what action should you perform to achieve this goal?（）A、For both the CustomerDB database and the master database, enable Transparent Database Encryption.B、You should use the built-in encryption functions to encrypt the sensitive data at the cell level. C、You should make the CustomerDB database accessible only through stored procedures and functions. D、For the CustomerDB database, enable Transparent Database Encryption and back up the transaction log.
考题
Which description about asymmetric encryption algorithms is correct？（）A、They use the same key for encryption and decryption of data.B、They use different keys for decryption but the same key for encryption of data.C、They use different keys for encryption and decryption of data.D、They use the same key for decryption but different keys for encryption of data.
考题
Which two wireless security statements are true？（）A、A TACACS+ server is required to implement 802.1x.B、MIC protects against man-in-the-middle and replay attacks.C、The 802.1x standard provides encryption services for wireless clients.D、The AES （symmetric block cipher） is specified in the IEEE 802.11i specification.E、The IEEE 802.11i specification uses RC4 as its encryption mechanism.F、WPA requires TKIP and AES as encryption methods.
考题
Which two statements about OSPF IPv6 routing are true？（）A、It requires OSPF version 3.B、automatically detects neighbors over NHMA interfacesC、It supports encryption usingD、It uses LSA type 9E、It uses LSA type 8
考题
Which two statements regarding symmetric key encryption are true?（） (Choose two.)A、The same key is used for encryption and decryption.B、It is commonly used to create digital certificate signatures.C、It uses two keys: one for encryption and a different key for decryption.D、An attacker can decrypt data if the attacker captures the key used for encryption.
考题
Which two statements regarding asymmetric key encryption are true？（）A、The same key is used for encryption and decryption.B、It is commonly used to create digital certificate signatures.C、It uses two keys： one for encryption and a different key for decryption.D、An attacker can decrypt data if the attacker captures the key used for encryption
考题
Examine the following RMAN command:RMAN CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?（）A、Provide a password for the encryptionB、Set up an Oracle wallet for the encryptionC、No setup is required as it is a default encryption methodD、Both Oracle wallet and password must be set up for the encryption
考题
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
考题
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. There is a database named DB1 in the instance. VIP customer data of the company are stored in DB1. The customers access their profile data by using a Web application. You must ensure the security of the customer data， that is to say， even if the backup media is lost， you must guarantee that data files， log files and subsequent backups and so on are as safe as possible. So what action should you perform to achieve this goal？（）A、For both the CustomerDB database and the master database, enable Transparent Database Encryption B、You should use the built-in encryption functions to encrypt the sensitive data at the cell Ievel C、You should make the CustomerDB database accessible only through stored procedures and functions. D、For the CustomerDB database, enable Transparent Database Encryption and back up the transaction log.
考题
Which two statements are true about encrypting RMAN backup?（） (Choose two.)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.
考题
多选题Which two statements regarding asymmetric key encryption are true？（）AThe same key is used for encryption and decryption.BIt is commonly used to create digital certificate signatures.CIt uses two keys： one for encryption and a different key for decryption.DAn attacker can decrypt data if the attacker captures the key used for encryption
考题
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.
考题
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
考题
多选题Which two statements are true about encrypting RMAN backup?（） (Choose two.)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.
考题
多选题Which two statements about OSPF IPv6 routing are true？（）AIt requires OSPF version 3.Bautomatically detects neighbors over NHMA interfacesCIt supports encryption usingDIt uses LSA type 9EIt uses LSA type 8
考题
单选题Which description about asymmetric encryption algorithms is correct？（）A
They use the same key for encryption and decryption of data.B
They use different keys for decryption but the same key for encryption of data.C
They use different keys for encryption and decryption of data.D
They use the same key for decryption but different keys for encryption of data.
考题
多选题Which two wireless security statements are true？（）AA TACACS+ server is required to implement 802.1x.BMIC protects against man-in-the-middle and replay attacks.CThe 802.1x standard provides encryption services for wireless clients.DThe AES （symmetric block cipher） is specified in the IEEE 802.11i specification.EThe IEEE 802.11i specification uses RC4 as its encryption mechanism.FWPA requires TKIP and AES as encryption methods.
考题
多选题Which two statements about the Wired Equivalent Privacy （WEP） encryption mechanism are true？ （）Athe two methods of authentication using the WEP encryption are open and shared keyBthe 802.11 standard defines WEP security using 128-bit keysCWEP can provide stronger authentication through the use of LEAP， PEAP， or EAP-FASTDWEP is a scalable encryption solution that uses static keys for authenticationEWEP security provides only one-way authenticationFWEPv2 offers improved encryption by replacing the RC4 encryption mechanism with the AES （symmetric block cipher） mechanism
考题
单选题Examine the following RMAN command:RMAN CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?（）A
Provide a password for the encryptionB
Set up an Oracle wallet for the encryptionC
No setup is required as it is a default encryption methodD
Both Oracle wallet and password must be set up for the encryption
考题
多选题Which two statements regarding symmetric key encryption are true?（） (Choose two.)AThe same key is used for encryption and decryption.BIt is commonly used to create digital certificate signatures.CIt uses two keys: one for encryption and a different key for decryption.DAn attacker can decrypt data if the attacker captures the key used for encryption.
考题
多选题What are three security problems with Wi-Fi Protected Access （WPA）？（）AWPA is based on the outdated IEEE 802.11i standard.BWPA uses RSN，which uses the same base encryption algorithm as RC4.CWPA requires a hardware upgrade that may not be supported by all vendors.DWPA uses TKIP，which uses the same base encryption algorithm as WEP.EWPA is susceptible to a DoS attack when it receives two packets in quick succession with bad MICs，forcing the AP to shut down the entire Basic Service Set （BSS） for one minute.FWPA is susceptible to a security weakness when preshared keys are used.
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