Friday, September 28, 2018
Thursday, September 27, 2018
What IEEE standard was Wired Equivalent Privacy first introduced?
What IEEE standard was Wired Equivalent Privacy first introduced?
EXPLANATION
IEEE introduced WEP in the 802.11 standard but updated it in the 802.1x.SOURCE
https://www.giac.org/paper/gsec/4214/wireless-security-ieee-80211-standards/106760Wednesday, September 26, 2018
An initialization vector should be which of the following?
An initialization vector should be which of the following?
- Repeatable and random
- Unique and predictable
- Unique and unpredicatable
- Repeatable and unique
EXPLANATION
An initialization vector (IV) should be unique and unpredictable. To prevent an attack,an IV must not be repeated with a given key and should appear random.
SOURCE
https://en.wikipedia.org/wiki/Initialization_vectorTuesday, September 25, 2018
Which type of RAID configuration requires minimum six drives?
Which type of RAID configuration requires minimum six drives?
- RAID 50 (RAID 5 + 0)
- RAID 100 (RAID 10+0)
- RAID 6
- RAID 60 (RAID 6 + 0)
EXPLANATION
RAID 50, also called RAID 5+0, combines the straight block-level striping of RAID 0 with the distributed parity of RAID 5.[3] As a RAID 0 array striped across RAID 5 elements, minimal RAID 50 configuration requires six drives.SOURCE
https://en.wikipedia.org/wiki/Nested_RAID_levelsIn sql, which of the following is applicable to the CHAR datatype?
In sql, which of the following is applicable to the CHAR datatype?
- CHAR stores alphanumeric characters of fixed size
- Stores alphanumeric characters of variable length
- to create scripts containing infinite characters
- Type as many characters as you want