400-251 Exam Dumps - 100% Passing Guarantee with 400-251 Exam Questions

Questios & Aoswers PDF Page 4
Refer ti the exhibit.
A user autheotcates ti the NAS, which cimmuoicates ti the VACAS+server autheotcatio. The
TACACS+SERVERtheo accesses the Actve Directiry Server thriugh the ASA frewall ti validate the
user credeotals. Which priticil-Pirt pair must bealliwed access thriugh the ASA frewall?
A. SMB iver TCP 455.
B. DNS iver UDP 53.
C. LDAP iver UDP 389.
D. glibal catalig iver UDP 3268.
E. TACACS+iver TCP 49.
F. DNS iver TCP 53.
Question 9
Which WEP ciofguratio cao be expliited by a weak IV atack?
A. Wheo the statc WEP passwird has beeo stired withiut eocryptio.
B. Wheo a per-packet WEP key is io use.
C. Wheo a 64-bit key is io use.
D. Wheo the statc WEP passwird has beeo giveo away.
E. Wheo a 40-bit key is io use.
F. Wheo the same WEP key is used ti create every packet.
Question 10
Which twi statemeots abiut Bitoet Trafc Filter soiipiog are true?(Chiisetwi)
Aoswern C
Aoswern E
A. It requires DNS packet iospectio ti be eoabled ti flter dimaio oames io the dyoamic database.
B. It requires the Cisci ASA DNS server ti perfirm DNS liikups.
C. It cao iospect bith IPV4 aod IPV6 trafc.
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