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单选题
Which of the following is used by BitLocker to lock an encryption key and protect data?（）
A
ECP
B
IRQ
C
AGP
D
TPM
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A. Enable the BIOS passwordB. Turn UAC offC. Create a separate partition with EFSD. Enable TPM in the BIOS
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All three types of cryptography schemes have unique function mapping to specific．For example,the symmetric key approach（ ）is typically used for the encryption of data providing（ ）,whereas asymmetric key cryptography is maidy used in key（ ）and nonrepudiation,thereby providing confidentiality and authentication．The hash（本题）（noncryptic）,on the other hand,does not provide confidentiality but provides message integrity,and cryptographic hash algorithms provide message（ ）and identity of peers during transport over insecure channels．A.Algorithm
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Which of the following is used by BitLocker to lock an encryption key and protect data?（）A、ECPB、IRQC、AGPD、TPM
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Which of the following best describes a hash function？（）A、An irreversible fast encryption methodB、A reversible fast encryption methodC、A reversible value computed from a piece of data and used to detect modificationsD、An irreversible value computed froma piece of data and used to detect modificationsE、A table inwhich values are stored for efficient retrieval.
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Which of the following Microsoft encryption software provides the HIGHEST level of security for PCs running Windows Vista Enterprise or Ultimate Vista?（）A、NTFSB、Windows Defender for VistaC、BitLocker drive encryptionD、EFS
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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.
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A PC administrator is trying to implement BitLocker full disk encryption but the PC reports that asecurity module is not found. Which of the following should the administrator do to correct this?（）A、Enable the BIOS passwordB、Turn UAC offC、Create a separate partition with EFSD、Enable TPM in the BIOS
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A technician wants to secure a Windows 7 Ultimate notebook hard drive. Which of the following should the technician do to implement BitLocker?（） (Select TWO).A、Disable TPM in the system BIOSB、Run the BitLocker wizard and any necessary partitionsC、Enable TPM in the system BIOSD、Enable TPM in the Windows 7 OS filesE、Set up the OS and the system files on the same partition
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Which encryption type is used to secure user data in an IPsec tunnel?（）A、symmetric key encryptionB、asymmetric key encryptionC、RSAD、digital certificates
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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.
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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
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单选题Which encryption type is used to secure user data in an IPsec tunnel?（）A
symmetric key encryptionB
asymmetric key encryptionC
RSAD
digital certificates
考题
单选题Which of the following is used by BitLocker to lock an encryption key and protect data?（）A
ECPB
IRQC
AGPD
TPM
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单选题You need to protect the confidential data files on File2 against unauthorized offline access. What should you use？（）A
Encrypting File System （EFS） on File2B
file screens on Node1 and Node2C
NTFS permissions on File2D
Windows BitLocker Drive Encryption （BitLocker） on Node1 and Node2
考题
单选题Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）A
A session key value is exchanged across the network.B
A session key never passes across the network.C
A session key is used as the key for asymmetric data encryption.D
A session key is used as the key for symmetric data encryption.
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
单选题Which of the following encryption methods is often used along with L2TP？（）A
S/MIMEB
SSHC
3DESD
IPSec
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多选题A technician wants to secure a Windows 7 Ultimate notebook hard drive. Which of the following should the technician do to implement BitLocker?（） (Select TWO).ADisable TPM in the system BIOSBRun the BitLocker wizard and any necessary partitionsCEnable TPM in the system BIOSDEnable TPM in the Windows 7 OS filesESet up the OS and the system files on the same partition
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单选题You administer a SQL Server 2008 instance. The instance hosts a database that is used by a Web-based application. The application processes 15,000 transactions every minute. A table in the database contains a column that is used only by the application. This column stores sensitive data. You need to store the sensitive data in the most secure manner possible. You also need to ensure that you minimize the usage of memory space and processor time. Which encryption type should you use?（）A
Symmetric key encryptionB
Asymmetric key encryptionC
Certificate-based encryptionD
Transparent data encryption
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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.
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单选题A system administrator has been asked to lock a specific login account. Which of the following commands is used to accomplish this？（）A
pwdckB
usrckC
chuserD
rmuser
考题
单选题Which of the following best describes a hash function？（）A
An irreversible fast encryption methodB
A reversible fast encryption methodC
A reversible value computed from a piece of data and used to detect modificationsD
An irreversible value computed froma piece of data and used to detect modificationsE
A table inwhich values are stored for efficient retrieval.
考题
单选题A PC administrator is trying to implement BitLocker full disk encryption but the PC reports that asecurity module is not found. Which of the following should the administrator do to correct this?（）A
Enable the BIOS passwordB
Turn UAC offC
Create a separate partition with EFSD
Enable TPM in the BIOS
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