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New Cisco 300-320 Exam Dumps Collection (Question 8 - Question 17)
Question No: 8
The WAN link between HQ and Branch ... What Technology that to be routed in a more informed way , ...
A. Policy base routing
B. On demand routing
C. Static routing
D. Performance routing
Answer: D
Question No: 9
Which of the following is a recommended practice of a data center core?
A. Server-to-server traffic always remains in the core layer.
B. The core infrastructure should be in Layer 3.
C. Core layer should run BGP along with an IGP because iBGP has a lower administrative distance than any IGP
D. The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port
Answer: B
Question No: 10
When a Cisco ASA adaptive security appliance is configured for active/standby failover, which MAC address is used for the active unit?
A. the MAC address of the primary unit
B. the MAC address of the secondary unit
C. the virtual MAC address
D. the standby MAC address
Answer: A
Question No: 11
Which action can be taken on a multiaccess segment with OSPF speakers to reduce the performance impact during widespread convergence events?
A. Separate the network into multiple areas for each new multiaccess segment.
B. Enable LSA throttling in the core to slow link state advertisement updates during times of network instability.
C. Ensure that the elected DR or BDR router can support high-volume convergence events.
D. Verify that fewer than 50 OSPF speakers are on the segment.
Answer: B
Explanation:
http://blog.ine.com/2010/06/02/ospf-fast-convergenc/
"It is worth noting that three most important timers to tune network for sub-second convergence are the failure detection delay, initial LSA generation delay and initial SPF delay. All other timers, such as hold and maximum time serve the purpose of stabilizing network, and affect convergence in u201cworst-caseu201d unstable network scenarios."
More info on LSA throttling: https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fsolsath.html
"Benefits of OSPF LSA Throttling Prior to the OSPF LSA Throttling feature, LSA generation was rate-limited for 5 seconds. That meant that changes in an LSA could not be propagated in milliseconds, so the OSPF network could not achieve millisecond convergence. The OSPF LSA Throttling feature is enabled by default and allows faster OSPF convergence (in milliseconds). This feature can be customized. One command controls the generation (sending) of LSAs and another command controls the receiving interval. This feature also provides a dynamic mechanism to slow down the frequency of LSA updates in OSPF during times of network instability."
Question No: 12
For which engine an IPS can use its reputation awareness? (Choose two)
A. Reputation filtering
B. Reputation subscriptions
C. Correlation rules
D. Global correlation inspection
Answer: A,C
Explanation: https://www.cisco.com/c/en/us/td/docs/security/firepower/60/configuration/guide/fpmc- config-guide-v60/Correlation_Policies.html
Correlation rules -> Connection Tracker -> URL Reputation
Question No: 13
A network engineer wants to segregate three interconnected campus network via IS- IS
routing. A two-layer hierarchy must be used to support large routing domains to avoid more specific
routes from each campus network being advertised to other campus network routers automatically.
What two actions should be taken to accomplish this segregation? (Choose two).
A. Assign a unique IS-IS NET value for each campus and configure internal campus routers with level 1
routing.
B. Designate two IS-IS routers from each campus to act as a Layer 1/Layer 2 backbone routers at the edge of each campus network.
C. Designate two IS-IS routers as BDR routers at the edge of each campus.
D. Assign similar router IDs to all routers within each campus.
E. Change the MTU sizes of the interface of each campus network router with a different value
Answer: A,B
Question No: 14
An engineer want to ensure that of the PEs are discovery in VPLS discover PS. use signaling and access to across PE router without having manually provision VPLS
neighbors, What solution must be implemented?
A. BGP autodiscovery with BGP signalling
B. BGP autodiscovery with LDP signalling
C. H-VPLS with PW-access
D. BGP-based VPLS autodiscovery
Answer: D
Explanation: https://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2srb/feature/guide/fs_vpls.html and
https://tools.ietf.org/html/rfc4761
Question No: 15
Which virtualization technology uses Layer 3 BFD to detect network failure between Network devices?
A. Cisco Fabric path
B. VXLAN
C. VSAN
D. VLAN
Answer: A
Question No: 16
Which command can you enter to inject BGP routes into an IGP?
A. redistribute bgp
B. redistribute static
C. redistribute static subnet
D. default-information originate
Answer: A
Question No: 17
On which two types of links should routing protocol peerings be established according to best practice? (Choose two.)
A. distribution links
B. end user links
C. transit links
D. core links
Answer: C,D
Explanation: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Campus/HA_campus_DG/haca mpusdg.html#wp1107923
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