On wireless networks, SSID is used to identify the network. Why are SSID not considered to be a good security mechanism to protect a wireless networks?
Answer(s): B
The SSID IS constructed to identify a network, it IS NOT the same as the MAC address and SSID’s consists of a maximum of 32 alphanumeric characters.
Bob reads an article about how insecure wireless networks can be. He gets approval from his management to implement a policy of not allowing any wireless devices on the network. What other steps does Bob have to take in order to successfully implement this? (Select 2 answers.)
Answer(s): A,D
If someone installs a access point and connect it to the network there is no way to find it unless you are constantly surveying the area for wireless devices. SNMP and firewalls cannot prevent the installation of wireless devices on the corporate network.
Jackson discovers that the wireless AP transmits 128 bytes of plaintext, and the station responds by encrypting the plaintext. It then transmits the resulting ciphertext using the same key and cipher that are used by WEP to encrypt subsequent network traffic. What authentication mechanism is being followed here?
Answer(s): C
The following picture shows how the WEP authentication procedure:
Jacob would like your advice on using a wireless hacking tool that can save him time and get him better results with lesser packets. You would like to recommend a tool that uses KoreK's implementation. Which tool would you recommend from the list below?
Implementing KoreK's attacks as well as improved FMS, aircrack provides the fastest and most effective statistical attacks available. John the Ripper is a password cracker, Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system, and
Matthew re-injects a captured wireless packet back onto the network. He does this hundreds of times within a second. The packet is correctly encrypted and Matthew assumes it is an ARP request packet. The wireless host responds with a stream of responses, all individually encrypted with different IVs. What is this attack most appropriately called?
A replay attack is a form of network attack in which a valid data transmission is maliciously or fraudulently repeated or delayed. This is carried out either by the originator or by an adversary who intercepts the data and retransmits it, possibly as part of a masquerade attack by IP packet substitution (such as stream cipher attack).
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