Exam Code: 320 300 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: ARCH Designing Cisco Network Service Architectures
Certification Provider: Cisco
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New Cisco 300-320 Exam Dumps Collection (Question 3 - Question 12)
Question No: 3
When considering the design of the E-Commerce topology which of the following are true?
A. One-armed SLB design with multiple security contexts removes the need for a separate firewall in the core layer
B. Two-firewall-layer SLB design considers the aggregation and access layers to be trusted zones, requiring no security between the web, application, and database zones
C. One-armed SLB design with two firewall layers ensures that non load-balanced traffic still traverses the ACE so that the health and performance of the servers is still being monitored
D. In all cases there will be configuration requirements for direct access to any servers or for nonload-balanced sessions initiated by the servers
Answer: A
Question No: 4
A network team must provide a redundant secure connection between two entities using OSPF. The primary connection will be an Ethernet Private Line and the secondary connection will be a site-to-site VPN. What needs to be configured in order to support routing requirements for over the VPN connection?
A. GRE Tunnel
B. HTTPS
C. Root Certificate
D. AAA Server
Answer: A
Question No: 5
Which of these is least important when determining how many users a NAS can support?
A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment
Answer: A
Explanation:
NAS = Cisco NAC Appliance Server
(not Network-Attached Storage as I first thought) https://www.safaribooksonline.com/library/view/foundation-learning- guide/9780132652933/ch08.html
"Cisco NAS Scaling
There are three levels of Cisco NAM for supporting Cisco NAC Appliance solutions:
u2022 Cisco NAC Appliance Lite Manager manages up to 3 Cisco NAS devices, supporting 100, 250, or 500 users per server.
u2022 Cisco NAC Appliance Standard Manager manages up to 20 Cisco NAS devices,
supporting from 1500 to
5000 users per (NAS) depending on which model is deployed.
u2022 Cisco NAC Appliance Super Manager manages up to 40 Cisco NAS devices, supporting from 1500 to 5000
users per (NAS) depending on which model is deployed.
The number of users supported on a server is a measure of concurrent users that have been scanned for
posture compliance, not network devices such as printers or IP phones.
The number of users supported per server is influenced by many factors that consume CPU and server
resources, such as the following:
u2022 The number of new user authentications per second
u2022 The number of posture assessments per second
u2022 How many checks are in each posture assessment
u2022 The number of agentless network scans per second
u2022 The number of plug-ins per scan
u2022 Rescan timer intervals
u2022 Per-role and total online timer intervals
u2022 Bandwidth controls
u2022 Filters and access controls Note
Interface bandwidth is the least important calculation for determining how many users a Cisco NAS
can support."
Question No: 6
Which option provides software modularity in Cisco NX-OS software in the data center design?
A. The ip routing command enables all of the features in the Cisco NX-OS.
B. All of the features are enabled by default in the Cisco NX-OS.
C. Individual features must be manually enabled to start the process.
D. The Cisco NX-OS has a management VRF that is enabled by default.
Answer: C
Question No: 7
Which option does the FabricPath technology use to create loop-free Layer 2 networks?
A. STP
B. TTL
C. fabric tags
D. FSTP
Answer: C
Explanation:
Well, the dump said "TTL" and I think that's not entirely true. TTL ends up a looping packet but the loop can still be there. Fabric path uses IS-IS and the concept of "switch-ids" which could refer to "fabric tags"...
There are also the FTag (Forwarding Tag) which specifies which path the packet traverses...
Not very clear.
If the Q was something like: "Which option does the FabricPath technology use to mitigate Layer 2loops?"
I would have answered TTL.
Question No: 8
Which two options are advantages of having a modular design instead of an EOR design in a data center? (Choose two.)
A. cooling constraints
B. cable bulk
C. decreased STP processing
D. redundancy options
E. cost minimization
F. low-skilled manager
Answer: A,B
Explanation:
"There are some disadvantages with EOR designs:
u2022 Cable bulk: More cabling needs to be routed and managed.
u2022 Cooling constraints: The cable bulk at the cabinet floor entry can be difficult to manage and can block
cool airflow."
-> So these are advantages of modular design. (Less cooling constraints and no cable bulk)
NOTE for your learnings:
"There are several advantages with EOR designs:
u2022 Decreased management complexity: There are fewer devices to manage, which makes this task less
complex.
u2022 Decreased STP processing: With fewer devices in the Layer 2 infrastructure and significantly fewer
uplinks, there is less impact on STP processing.
u2022 Redundancy options: Redundant switch power and CPUs can be supported on modular switches."
Question No: 9
Refer to the exhibit.
A customer requires a web application implementation, but the web server has communication only to the application server and users, and the database server has communication only to the application server. What firewall design is the best fit for this scenario?
A. transparent mode with the servers on the same subnet
B. routed mode with three security zones
C. transparent mode with three security zones
D. routed mode with two security zones
Answer: B
Question No: 10
The Cisco Nexus 1000V is intended to address which disadvantage of the VMware vSphere solution?
A. Inability to deploy new functional servers without requiring physical changes on the network
B. Complexity added by the requirement for an ESX host for each virtual machine
C. Network administrators lack control of the access layer of the network
D. To increase the number of physical infrastructure and the virtual machines that can be managed
Answer: C
Question No: 11
Which route summarization most efficiently reduces perceived network complexity that is composed of
subnetworks ranging from 172.16.20.0/24 to 172.16.36.0/24?
A. 172.16.8.0/21
B. 172.16.8.0/19
C. 172.16.20.0/20
D. 172.16.0.0/18
E. 172.16.20.0/19
Answer: D
Question No: 12
Which option is a common cause of congestion found in a campus network?
A. input serialization delay
B. output serialization delay
C. Rx-queue starvation
D. Tx-queue starvation
Answer: D
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