网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
What is one reason that WPA encryption is preferred over WEP?()
A. A WPA key is longer and requires more special characters than the WEP key.
B. The access point and the client are manually configured with different WPA key values.
C. WPA key values remain the same until the client configuration is changed.
D. The values of WPA keys can change dynamically while the system is used.
参考答案
更多 “ What is one reason that WPA encryption is preferred over WEP?() A. A WPA key is longer and requires more special characters than the WEP key.B. The access point and the client are manually configured with different WPA key values.C. WPA key values remain the same until the client configuration is changed.D. The values of WPA keys can change dynamically while the system is used. ” 相关考题
考题
A company wants to secure access to its internal wireless network. The company wants to use themost secure means to access the network. Which of the following is the BEST choice for wireless security in this situation?（）A. WEP encryptionB. Channel rotationC. Disable SSIDD. WPA encryption
考题
There are two networks sharing the same office space. One network already has an 802.11g accesspoint. The second network acquires one as well. If known, which of the following would help keep the two networks from interfering with each other?（）A.ChannelB.WEP keyC.Pre-shared keyD.Encryption type
考题
关于WEP和WPA加密方式的说法中正确的有（）A、802.11b协议中首次提出WPA加密方式B、802.11i协议中首次提出WPA加密方式C、采用WEP加密方式，只要设置足够复杂的口令就可以避免被破解D、WEP口令无论多么复杂，都很容易遭到破解
考题
What is the reason for running spanning-tree in a Cisco Single-Site Secure Network Foundation Solution？（）A、To protect the network in case someone inadvertently creates a physical loop in itB、To ensure that if a device fails another device automatically take over for itC、To allow management of all network devicesD、To aggregate logical network groups together at one central point
考题
Which two statements are true about the Wi-Fi Protected Access （WPA） and Wi-Fi Protected Access version 2 （WPA2） security solutions？（）A、both WPA and WPA2 require authentication support via IEEE 802.1 x and Pre-Shared Key （PSK）B、both WPA and WPA2 address all known Wired Equivalent Privacy （WEP） vulnerabilities in the IEEE 802.11i security implementationC、WPA is supported on client devices only. WPA2 is supported on both access point （AP） and client devicesD、WPA provides only a standard for authentication. WPA2 provides a standard for authentication and encryptionE、WPA requires encryption support via Temporal Key Integrity Protocol （TKIP） WPA2 provides encryption support via （symmetric block cipher）AES-CCMP
考题
Wi-Fi Protected Access was an interim step on the way to the more secure WPA2. What was added in WPA2 to make it more secure？（）A、 PEAPB、 EAP-FASTC、 AES encryptionD、 Rivest Cipher 4 encryption
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
A company wants to secure access to its internal wireless network. The company wants to use themost secure means to access the network. Which of the following is the BEST choice for wireless security in this situation?（）A、WEP encryptionB、Channel rotationC、Disable SSIDD、WPA encryption
考题
There are two networks sharing the same office space. One network already has an 802.11g accesspoint. The second network acquires one as well. If known, which of the following would help keep the two networks from interfering with each other?（）A、ChannelB、WEP keyC、Pre-shared keyD、Encryption type
考题
A corporation wants help in reducing backup costs. By proposing a library with LTO-5 drives,which one of the following would be the BEST reason to choose LTO-5 over LTO-4?（）A、WORM and encryption capability B、offers sequential stream of batch data C、offers ability to read and write multiple generation cartridges D、lower cost per GB when compared to LTO-4
考题
What is one reason that WPA encryption is preferred over WEP?（）A、A WPA key is longer and requires more special characters than the WEP key.B、The access point and the client are manually configured with different WPA key values.C、WPA key values remain the same until the client configuration is changed.D、The values of WPA keys can change dynamically while the system is used.
考题
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.
考题
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
考题
多选题When implementing WLAN security， what are three benefits of using the Temporal Key Integrity Protocol （TKIP） instead of WEP？ （）ATKIP uses an advanced encryption scheme based on AESBTKIP provides authentication and integrity checking using Cipher Block Chaining Message Authentication Code （CBC-MAC）CTKIP provides per-packet keyingand a rekeying mechanismDTKIP provides message integrity checkETKIP reduces WEP’s vulnerabilities byusing different hardware encryption chipsetFTKIP uses a 48 bit InitializationVector
考题
单选题Wi-Fi Protected Access was an interim step on the way to the more secure WPA2. What was added in WPA2 to make it more secure？（）A
PEAPB
EAP-FASTC
AES encryptionD
Rivest Cipher 4 encryption
考题
多选题Which two statements best describe enhanced wireless security encryption？（）ATKIP protects RC4 encryption keysBCKIP and TKIP protect AES encryption keysCTKIP encryption is more processor intensive than AES encryption isDWPA requires TKIP encryption， whereas WPA2 supports AES encryptionEWPA requires AES encryption， whereas WPA2 supports TKIP encryption
考题
多选题Which two statements are true about the Wi-Fi Protected Access （WPA） and Wi-Fi Protected Access version 2 （WPA2） security solutions？（）Aboth WPA and WPA2 require authentication support via IEEE 802.1 x and Pre-Shared Key （PSK）Bboth WPA and WPA2 address all known Wired Equivalent Privacy （WEP） vulnerabilities in the IEEE 802.11i security implementationCWPA is supported on client devices only. WPA2 is supported on both access point （AP） and client devicesDWPA provides only a standard for authentication. WPA2 provides a standard for authentication and encryptionEWPA requires encryption support via Temporal Key Integrity Protocol （TKIP） WPA2 provides encryption support via （symmetric block cipher）AES-CCMP
考题
单选题What is one reason that WPA encryption is preferred over WEP（）。A
A WPA key is longer and requires more special characters than the WEP key.B
The access point and the client are manually configured with different WPA key values.C
WPA key values remain the same until the client configuration is changed.D
The values of WPA keys can change dynamically while the system is used.
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.
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
热门标签
最新试卷