1. Packets from a mobile host residing in a foreign network may be blocked by the firewall in the home network because: a. Enterprise firewalls are typically configured to block packets that appear to be emanating from foreign computers but arrive on firewall's local (internal) interface. b. None of the given answers c. Enterprise firewalls cannot determine the mobile host's home address since they do not decapsulate an incoming packet. d. Enterprise firewalls are typically configured to block packets that appear to be emanating from local computers but arrive on firewall's external (Internet facing) interface.
1. Packets from a mobile host residing in a foreign network may be blocked by the firewall in the home network because:
a. Enterprise firewalls are typically configured to block packets that appear to be emanating from foreign computers but arrive on firewall's local (internal) interface.
b. None of the given answers
c. Enterprise firewalls cannot determine the mobile host's home address since they do not decapsulate an incoming packet.
d. Enterprise firewalls are typically configured to block packets that appear to be emanating from local computers but arrive on firewall's external (Internet facing) interface.
2. Bridging the last mile wirelessly to a customer’s premise from the provider’s base station is an example of:
a. Fixed and Wireless Connection b. Mobile and Wireless Connection. c. Mobile and Wired Connection. d. Fixed and Wired Connection.
3. The Home Agent (HA) intercepts packets for a mobile host that is currently not in its home network using:
a. Router Advertisement messages. b. Gratuitous Address Resolution Protocol (ARP) c. ARP (Address Resolution Protocol) d. Proxy ARP (Address Resolution Protocol)
4. In the context of Classical (Pure) Aloha based Medium Access Control, which of the following holds true:
a. Aloha neither coordinates the medium access nor does it resolve the contention on the MAC layer.
b. None of the other given answers.
c. Aloha uses a centralized medium access and transmission control
d. Aloha operates in a full duplex mode.
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