ProxySG can provide all these services to IM clients — client authentication at a proxy, message reflection, policy enforcement and logging.

Which statements are true about the Blue Coat WebFilter? (Choose all that apply)

(a) A single web site can belong to multiple categories

(b) Embedded images and objects may be denied, even though the container page is allowed.

(c) WebFilter on-box database can be used in conjunction with a third party content database

(d) WebFilter on-box database updates are Web downloads

HTTP/1.1 supports pipelining - multiple related requests are written to a single TCP socket without waiting for the responses to come back — i.e. the requests are done asynchronously in-parallel, instead of doing them sequentially as usual (see picture). Some Web clients such as Opera and Firefox with FasterFox plugin use HTTP pipelining. Assume that ProxySG Is deployed as a forward proxy listening on port 8080.