Which two wireless encryption methods are based on the RC4 encryption algorithm?() A.WEPB.CCKMC.AESD.TKIPE.CCMP
Which two wireless encryption methods are based on the RC4 encryption algorithm?()
A.WEP
B.CCKM
C.AES
D.TKIP
E.CCMP
相关考题：
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.
Which of the following standards or encryption types is the MOST secure for wireless networking?() A.WEPB.AESC.TKIPD.DES
Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)()。 A.It specifies use of a static encryption key that must be changed frequently to enhance securityB.It requires use of an open authentication methodC.It specifies the use of dynamic encryption keys that change each time a client establishes a connectionD.It requires that all access points and wireless devices use the same encryption keyE.It includes authentication by PSK
Which one of the following is NOT a supported IKE attribute？（）A、 PFS group.B、 Encryption algorithm.C、 Hashing Algorithm.D、 Authenticationmethod.E、 Lifetime duration.
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
Which of the following standards or encryption types is the MOST secure for wireless networking?（）A、WEPB、AESC、TKIPD、DES
Which algorithm was the first to be found suitable for both digital signing and encryption？（）A、HMACB、RSAC、MD5D、SHA-1
Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)（）。A、It specifies use of a static encryption key that must be changed frequently to enhance securityB、It requires use of an open authentication methodC、It specifies the use of dynamic encryption keys that change each time a client establishes a connectionD、It requires that all access points and wireless devices use the same encryption keyE、It includes authentication by PSK
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.
Which two statements best describe the wireless security standard that is defined by WPA？ （Choose two.）（）A、It specifies use of a static encryption key that must be changed frequently to enhance security.B、It requires use of an open authentication method.C、It specifies the use of dynamic encryption keys that change each time a client establishes a connection.D、It requires that all access points and wireless devices use the same encryption key.E、It includes authentication by PSK
What are three security problems with Wi-Fi Protected Access （WPA）？（）A、WPA is based on the outdated IEEE 802.11i standard.B、WPA uses RSN，which uses the same base encryption algorithm as RC4.C、WPA requires a hardware upgrade that may not be supported by all vendors.D、WPA uses TKIP，which uses the same base encryption algorithm as WEP.E、WPA 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.F、WPA is susceptible to a security weakness when preshared keys are used.
Which two wireless encryption methods are based on the RC4 encryption algorithm? （）A、WEPB、CCKMC、AESD、TKIPE、CCMP
Which two statements best describe enhanced wireless security encryption？（）A、TKIP protects RC4 encryption keysB、CKIP and TKIP protect AES encryption keysC、TKIP encryption is more processor intensive than AES encryption isD、WPA requires TKIP encryption， whereas WPA2 supports AES encryptionE、WPA requires AES encryption， whereas WPA2 supports TKIP encryption
Which of the following technologies is the MOST secure form of wireless encryption?（）A、SSLB、WPAC、WEPD、TLS
When setting up a wireless network to cover a large area, which of the following needs to beconsidered FIRST?（）A、Device placementB、Encryption methodsC、Wireless channelsD、SSID name
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
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
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.
多选题Which two statements best describe the wireless security standard that is defined by WPA？ （Choose two.）（）AIt specifies use of a static encryption key that must be changed frequently to enhance security.BIt requires use of an open authentication method.CIt specifies the use of dynamic encryption keys that change each time a client establishes a connection.DIt requires that all access points and wireless devices use the same encryption key.EIt includes authentication by PSK
多选题Which two wireless encryption methods are based on the RC4 encryption algorithm?（）AWEPBCCKMCAESDTKIPECCMP
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
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For the following statements， which one is the strongest symmetrical encryption algorithm？（）AAESB3DESCDESDDiffie-Hellman
单选题Which algorithm was the first to be found suitable for both digital signing and encryption？（）AHMACBRSACMD5DSHA-1
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.
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.
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.