January 31, 2019

2019 Latest Cisco 300-320 Dumps PDF

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300-320 dumps pdf

Latest 300-135 dumps questions and answers (15Q&As)

300-320 dumps pdf QUESTION 16
Which statement about RBAC user roles on a Cisco Nexus switch is true?
A. If you belong to multiple roles, you can execute only the commands that are permitted by both roles (logical AND).
B. Access to a command takes priority over being denied access to a command.
C. The predefined roles can only be changed by the network administrator (superuser).
D. The default SAN administrator role restricts configuration to Fibre Channel interfaces.
E. On a Cisco Nexus 7000 Series Switch, roles are shared between VDCs.
Correct Answer: B
Explanation
Explanation/Reference:
If you belong to multiple roles, you can execute a combination of all the commands permitted by these roles. Access to a command takes priority over being denied access to a command. For example, suppose a user has RoleA, which
denied access to the configuration commands. However, the users also have RoleB, which has access to the configuration commands. In this case, the users have access to the configuration commands.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guid e/cli/CLIConfigurationGuide/sec_rbac.html

300-320 dumps pdf QUESTION 17
Which statement about the implementation of Cisco TrustSec on Cisco Nexus 7000 Series Switches is true?
A. While SGACL enforcement and SGT propagation are supported on the M and F modules, 802.1AE (MACsec) support is available only on the M module.
B. SGT Exchange Protocol is required to propagate the SGTs across F modules that lack hardware support for Cisco TrustSec.
C. AAA authentication and authorization is supported using TACACS or RADIUS to a Cisco Secure Access Control Server.
D. Both Cisco TrustSec and 802.1X can be configured on an F or M module interface.
Correct Answer: A
Explanation
Explanation/Reference:
The M-Series modules on the Nexus 7000 support 802.1AE MACSEC on all ports, including the new M2-series modules. The F2e modules will have this feature enabled in the future.
It is important to note that because 802.1AE MACSEC is a link-level encryption, the two MACSEC-enabled endpoints, Nexus 7000 devices in our case, must be directly L2 adjacent. This means we direct fiber connection or one facilitated with
optical gear is required. MACSEC has integrity checks for the frames and intermediate devices, like another switch, even at L2, will cause the integrity checks to fail. In most cases, this means metro-Ethernet services or carrier-provided label
switched services will not work for a MACSEC connection.
Reference: http://www.ciscopress.com/articles/article.asp?p=2065720

300-320 dumps pdf QUESTION 18
Which two security features are only supported on the Cisco Nexus 7000 Series Switches? (Choose two.)
A. IP source guard
B. traffic storm control
C. CoPP
D. DHCP snooping
E. Dynamic ARP Inspection
F. NAC
Correct Answer: BF
Explanation
Explanation/Reference:
A traffic storm occurs when packets flood the LAN, creating excessive traffic and degrading network performance. You can use the traffic storm control feature to prevent disruptions on Layer 2 ports by a broadcast, multicast, or unicast traffic
storm on physical interfaces. Traffic storm control (also called traffic suppression) allows you to monitor the levels of the incoming broadcast, multicast, and unicast traffic over a 10-millisecond interval. During this interval, the traffic level,
which is a percentage of the total available bandwidth of the port, is compared with the traffic storm control level that you configured. When the ingress traffic reaches the traffic storm control level that is configured on the port, traffic storm
control drops the traffic until the interval ends.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/dcnm/security/configurati on/guide/b_Cisco_DCNM_Security_Configuration_Guide__Release_5- x/Cisco_DCNM_Security_Configuration_Guide__Release_5-
x_chapter17.html
And
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/dcnm/security/configurati on/guide/b_Cisco_DCNM_Security_Configuration_Guide__Release_5- x/Cisco_DCNM_Security_Configuration_Guide__Release_5-x_chapter1.html

300-320 dumps pdf QUESTION 19
When a local RBAC user account has the same name as a remote user account on an AAA server, what happens when a user with that name logs into a Cisco Nexus switch?
A. The user roles from the remote AAA user account are applied, not the configured local user roles.
B. All the roles are merged (logical OR).
C. The user roles from the local user account are applied, not the remote AAA user roles.
D. Only the roles that are defined on both accounts are merged (logical AND).
Correct Answer: C
Explanation
Explanation/Reference:
If you have a user account configured on the local Cisco NX-OS device that has the same name as a remote user account on an AAA server, the Cisco NX-OS software applies the user roles for the local user account to the remote user, not
the user roles configured on the AAA server.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_1/nx- os/security/configuration/guide/sec_nx-os-cfg/sec_rbac.html

300-320 dumps pdf QUESTION 20
Which statement is true if password-strength checking is enabled?
A. Short, easy-to-decipher passwords will be rejected.
B. The strength of existing passwords will be checked.
C. Special characters, such as the dollar sign ($) or the percent sign (%), will not be allowed.
D. Passwords become case-sensitive.
Correct Answer: A
Explanation
Explanation/Reference:
If a password is trivial (such as a short, easy-to-decipher password), the cisco NX_OS software will reject your password configuration if password-strength checking is enabled. Be sure to configure a strong password. Passwords are case
sensitive.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7- x/security/configuration/guide/b_Cisco_Nexus_9000_Series_NX- OS_Security_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX-
OS_Security_Configuration_Guide_7x_chapter_01000.pdf

300-320 dumps pdf QUESTION 21
Which command specifies a load-balancing method based on the MAC address of a host where the same forwarder is always used for a particular host while the number of GLBP group members remains unchanged?A. load-balancing host-dependent
B. load-balancing mac-pinning
C. load-balancing round-robin
D. load-balancing weighted
Correct Answer: A
Explanation

300-320 dumps pdf QUESTION 22
Which two elements must be configured correctly for Cisco TrustSec Fibre Channel Link Encryption to work on a Cisco MDS 9000 Series Switch? (Choose two.)
A. AES-GMAC
B. key
C. salt
D. AAA
E. group
Correct Answer: BC
Explanation

300-320 dumps pdf QUESTION 23
Which configuration is specific to Cisco TelePresence System seed devices?
A. radius server radius-server-name
B. aaa session-id common
C. radius-server vsa send authentication
D. aaa new-model
Correct Answer: A
Explanation

300-320 dumps pdf QUESTION 24
Which command is used to associate EID-to-RLOC for a LISP site?
A. #feature lisp
B. #ipv6 lisp itr
C. #ip lisp database-mapping
D. #ip lisp itr map-resolver
Correct Answer: C
Explanation

300-320 dumps pdf QUESTION 25
Which three options of encryption are supported in PIM hello messages? (Choose three.)
A. cleartext
B. DES-SHA1
C. DES-CBC3-SHA
D. Cisco Type 7
E. RC4-SHA
F. 3DES
Correct Answer: ADF
Explanation

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