Test your knowledge of vital Cisco and CompTIA certification exam topics with these free questions!
Test your knowledge of vital Cisco and CompTIA certification exam topics with these free questions!
Network+ / CCENT / CCNA Question:What protocol allows a host to determine the MAC address of another host that is on a different side of the router?Answer: Proxy ARP.CCENT Certification:Briefly describe how a Cisco switch builds its MAC address table.Answer: The switch examines the source MAC address of incoming frames, then checks its MAC address table to see if an entry exists for that address. If not, an entry is made that maps that MAC address to the port that received the frame.CCNA Certification:Convert the binary string 10101010 into a hex value.Answer: In decimal, that string equals 170; that's AA (or aa, case does not matter).CCNP Certification / BSCI Exam:In the BGP best-path selection process, what is the first attribute a Cisco router examines?Answer: The Cisco-proprietary attribute weight is the first attribute considered.CCNP Certification / BCMSN Exam:On a Cisco L3 switch, what command converts a routing port to a switching port?Answer: The command is switchport. To change a port from switching to routing, run no switchport.CCNP Certification / ISCW Exam:Basically, what is a "demilitarized zone"?Answer: A DMZ is the area between a company's private network ("inside network") and the outside world. Packets going from the inside network to the DMZ and from the DMZ to external networks are generally examined by security devices.CCNP Certification / ONT Exam:Name three major differences between WEP and WPA.Answer: Wired Equivalent Privacy (WEP) offers static keys, an easily hacked authentication setup, and is not considered a scalable solution. Sounds promising, right? That's why WPA is a much more attractive solution. WPA uses dynamic keys, isn't easily hacked, and is highly scalable.
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