when trying to find the best answer to an access - list question, always check the access - list bnumber and then the protocol. When filtering to an upper - layer protocol, you must use an extended list, numbers 100 - 199 and 2000 - 2699. Also, when you filter to the port of an upper - layer protocol, you must use either tcp or udp in the ACL protocol field. If it says ip in the protocol field, you cannot filoter on the port number of an upper - layer protocol. SMTP uses TCP
The IEEE 802.11b standard provides three non-overlapping channels.
A transmission to the MAC address ff : ff : ff : ff : ff : ff is a broadcast transmission to all stations.
After the expiration of the backoff algorithm , all hosts have equal priority.
To use VLSM, the routing protocols in use possess the capability to transmit subnet mask information.
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
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