A network technician is configuring SNMPv3 and has set a security level of auth . What is the effect of this setting?
- authenticates a packet by a string match of the username or community string
- authenticates a packet by using either the HMAC with MD5 method or the SHA method
- authenticates a packet by using either the HMAC MD5 or 3.HMAC SHA algorithms and encrypts the packet with either the DES, 3DES or AES algorithms
- authenticates a packet by using the SHA algorithm only
Explanation: For enabling SNMPv3 one of three security levels can be configured:
The security level configured determines which security algorithms are performed on SNMP packets. The auth security level uses either HMAC with MD5 or SHA.