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400-201 dumps

Best Cisco CCIE Service Provider 400-201 dumps exam questions and answers (1-20)

QUESTION 1
What three major tasks are performed by a Designated Intermediate System in an ISIS pseudonode environment? (Choose three.)
A. updating the pseudonode LSP
B. maintaining pseudonode link-state information
C. creating the pseudonode LSP
D. flooding LSPs over the LAN
E. election of the pseudonode
Correct Answer: ACD

QUESTION 2
Two routers that are running MPLS and LDP have multiple links that than connect them to each other. Anengineer wants to ensure that the label bindings are not flushed from the LIB if one of the links fails. Which configuration meets this requirement?
A. the mpls ldp neighbor targeted command
B. the mpls ip command on a Cisco MPLS TE tunnel
C. the mpls ldp discovery targeted-hello accept command
D. the mpls ldp session protection command
Correct Answer: D

QUESTION 3
Refer to the exhibit.
400-201 dumps
The 2.6.6.6/32 prefix is flapping when PE1 is flapping. Which action can fix this issue?
A. On PE2, allow only redistribution from BGP into IS-IS; on PE3, allow only redistribution from IS-OS into BGP.
B. Configure all IS-IS instances as level-1-only.
C. Configure a sham link between PE2 and PE3.
D. On PE2 and PE3, reconfigure redistribute BGP into IS-IS using the metric-type external parameter.
Correct Answer: D

QUESTION 4
Refer to the exhibit.
400-201 dumps
When a traceroute is performed from a PC behind R2, the next hop on R1 for IPv4 is 10.0.1.2, and for IPv6 it is 2001:DB8:2:2. What is causing thus behavior? 400-201 dumps
A. GigabitEthernet2/1 has a Level 1-only adjacency. This causes it to be the preferred path for the IPv6 packets.
B. When SPF ran on R2, it calculated two equal paths to R1. It was a coincidence that than the packets choose different paths.
C. Multitopology is enabled on R2, which causes the IPv6 packets to use a different path than the IPv4 packets.
D. 2001:DB8:2::2 is on a Gigabit Ethernet interface. Because its speed is higher than Fast Ethernet, the IS-IS metric is preferred.
Correct Answer: C

QUESTION 5
Refer to the exhibit.
400-201 dumps
Which MPLS TE component keeps track of the flooding and admission control?
A. MPLS TE priorities
B. RSVP
C. link attributes
D. link manager
Correct Answer: D

QUESTION 6
Which is the main goal of BGPsec regards to improve BGP security?
A. Reduces risk of improper route propagation from unauthorized AS numbers
B. Configures BGP route verification by storing routes in a database used to validate AS numbers
C. Adds encryption to route propagation outside the iBGP AS
D. Increases legitimacy and authenticity of BGP advertisements
Correct Answer: D

QUESTION 7
Which two models are used in MPLS TE bandwidth constraints? (Choose two)
A. mdm
B. rdm
C. bdm
D. mam
E. tern
Correct Answer: BD

QUESTION 8
In a typical three-node OpenStack deployment, which two components are part of the controller node? (Choose two)
A. Neutron Layer 3 agent
B. Neutron DHCP agent
C. Identity Service
D. Neutron Layer 2 agent
Correct Answer: AD

QUESTION 9
What are the two benefits of graceful restart? (Choose two)
A. Graceful restart allows session information recovery without disruption to the network.
B. A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kept on state information, which helps the failed node recover faster and does not affect the current forward traffic.
C. Graceful restart allows a node to recover state from its neighbor when there is no RP or before the device undergoes SSO.
D. Graceful restart does not allow session information recovery.
E. During a graceful restart, the router removes any stale prefixes after a timer for stale entries expires
Correct Answer: AB

QUESTION 10
Which three statements about the BGP next-hop attribute are true? (Choose three.)
A. EBGP sessions between confederation sub ASs do not modify the next-hop attribute.
B. By default, iBGP sessions change the next-hop attribute learned from eBGP peers to self address.
C. By default, the next-hop attribute is not changed when a prefix is reflected by the route reflector
D. EBGP sessions between confederation sub ASs change the next-hop attribute to peer address.
E. By default, iBGP sessions preserve the next-hop attribute learned from eBGP peers.
Correct Answer: ACE

QUESTION 11
A network engineer is responsible for implementing a solution with Cisco IOS XR Software that ensures continuous forwarding during a control plane failure. Which two technologies should the engineer consider? 400-201 dumps (Choose two.)
A. IP FRR
B. NSR
C. graceful restart
D. BFD
E. TE FRR
Correct Answer: BC

QUESTION 12
The Attribute field within the IS-IS LSP header contains which of the following flags? (Choose four)
A. IS-Type
B. Overload (LSPDBOL)
C. Pseudonode (PN)
D. Attached (ATT)
E. Fragment (Frag-Nr)
F. Partition (P)
Correct Answer: ABDF

QUESTION 13
One ISP has hundreds of routers that run IS-IS, you want to redesign the network to improve performance and convergence, which are correct ways? (Choose two)
A. Bidirectional forwarding failure detection
B. tuning of SPF PRC and LSP.......exp backoff timers C. IS-IS fast flooding of LSPs
C. IP Event Dampending
D. tuning of IS-IS hello parameters
Correct Answer: BC

QUESTION 14
Refer to the exhibit.
400-201 dumps
The prefix 10.1.1.64/28 should be advertised to the PE router, yet the prefix is not being received by the PE. Which configuration should be applied on CE in order to fix this issue?
A. ip prefix-list ROUTES_TO_SP seq 1 permit 10.1.1.64/28
B. router bgp 65000no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.128 mask 255.255.255.128
C. ip prefix-list ROUTES_TO_SP permit 10.1.1.64/28
D. router bgp 65000no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.0 mask 255.255.255.0
Correct Answer: A

QUESTION 15
Which Cisco IOS XR Virtualization technology provides full isolation between virtualized routing instances for extra control plane resources?
A. HVR
B. SVR
C. SDR
D. DRP
Correct Answer: C

QUESTION 16
Refer to the exhibit.
400-201 dumps
Which router is the DIS?
A. router-22
B. router-44
C. router-33 and router-44
D. router-11
E. router-33
Correct Answer: E

QUESTION 17
Which is one difference between H-VPLS and VPLS? 400-201 dumps
A. VPLS is a point-to-point Layer-2 services and H-VPLS is a multipoint Layer-2 services.
B. H-VPLS reduces signaling overhead and packet replication requirementsfor the provider edge.
C. VPLS improve scalability concerns identified on H-VPLS implementation.
D. H-VPLS connects using also other Layer-2 encapsulation such as PPP and VPLS connects using
Ethernet encapsulation only
Correct Answer: B

QUESTION 18
A network engineer wants to deploy a solution that allows for 200 DS1 s and 100 DS0s that are multiplexed to a single interface on a Cisco 7600 Series Router. Which interface type satisfies this requirement?
A. Channelized T3/E3 (DS0)
B. Channelized OC-12/STM-4
C. OC-12/STM-4
D. OC-48c/STM-16
Correct Answer: A

QUESTION 19
In an MPLS VPN environment, the QoS marking over the MPLS backbone must be different from the one that is received from the customer. The forwarding on the egress PE is based on the marking that is set by the ingress PE. Which null label and QoS mode can achieve this?
A. MPLS explicit null with pipe mode
B. MPLS implicit null with short pipe mode
C. MPLS implicit null with uniform mode
D. MPLS explicit null with uniform mode
E. MPLS explicit null with short pipe mode
F. MPLS implicit null with pipe mode
Correct Answer: A

QUESTION 20
With EIGRP DUAL, a feasible successor is considered loop-free if which condition is true?
A. Its AD is equal to the metric of the successor
B. Its AD is less than the successor's FD
C. Its AD is equal to the successor's FD
D. Its AD is greater than the successor's FD
E. Its FD is equal to the metric of the successor
Correct Answer: B

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CAS-002 dumps
QUESTION 1
Ann, a software developer, wants to publish her newly developed software to an online store. Ann wants to ensure that the software will not be modified by a third party or end users before being installed on mobile devices. Which of the following should Ann implement to stop modified copies of her software from running on mobile devices?
A. Single sign-on
B. Identity propagation
C. Remote attestation
D. Secure code review
Correct Answer: C

QUESTION 2
A software project manager has been provided with a requirement from the customer to place limits on the types of transactions a given user can initiate without external interaction from another user with elevated privileges. This requirement is BEST described as an implementation of:
A. an administrative control
B. dual control
C. separation of duties
D. least privilege
E. collusion
Correct Answer: C

QUESTION 3
At 10:35 a.m. a malicious user was able to obtain a valid authentication token which allowed read/write access to the backend database of a financial company. At 10:45 a.m. the security administrator received multiple alerts from the company\'s statistical anomaly- based IDS about a company database administrator performing unusual transactions. At10:55 a.m. the security administrator resets the database administrator\'s password.
At 11:00 a.m. the security administrator is still receiving alerts from the IDS about unusual transactions from the same user. Which of the following is MOST likely the cause of the alerts?
A. The IDS logs are compromised.
B. The new password was compromised.
C. An input validation error has occurred.
D. A race condition has occurred.
Correct Answer: D

QUESTION 4
An attacker attempts to create a DoS event against the VoIP system of a company. The attacker uses a tool to flood the network with a large number of SIP INVITE traffic. CAS-002 dumps Which of the following would be LEAST likely to thwart such an attack?
A. Install IDS/IPS systems on the network
B. Force all SIP communication to be encrypted
C. Create separate VLANs for voice and data traffic
D. Implement QoS parameters on the switches
Correct Answer: D

QUESTION 5
A security policy states that all applications on the network must have a password length of eight characters. There are three legacy applications on the network that cannot meet this policy. One system will be upgraded in six months, and two are not expected to be upgraded or removed from the network. Which of the following processes should be followed?
A. Establish a risk matrix
B. Inherit the risk for six months
C. Provide a business justification to avoid the risk
D. Provide a business justification for a risk exception
Correct Answer: D

QUESTION 6
An IT administrator wants to restrict DNS zone transfers between two geographically dispersed, external company DNS name servers, and has decided to use TSIG. Which of the following are critical when using TSIG? (Select TWO).
A. Periodic key changes once the initial keys are established between the DNS name servers.
B. Secure exchange of the key values between the two DNS name servers.
C. A secure NTP source used by both DNS name servers to avoid message rejection.
D. DNS configuration files on both DNS name servers must be identically encrypted.
E. AES encryption with a SHA1 hash must be used to encrypt the configuration files on both DNS name servers.
Correct Answer: BC

QUESTION 7
A medical device manufacturer has decided to work with another international organization to develop the software for a new robotic surgical platform to be introduced into hospitals within the next 12 months. In order to ensure a competitor does not become aware, management at the medical device manufacturer has decided to keep it secret until formal contracts are signed. Which of the following documents is MOST likely to contain a description of the initial terms and arrangement and is not legally enforceable?
A. OLA
B. BPA
C. SLA
D. SOA
E. MOU
Correct Answer: E

QUESTION 8
An administrator believes that the web servers are being flooded with excessive traffic from time to time. The administrator suspects that these traffic floods correspond to when a competitor makes major announcements. Which of the following should the administrator do to prove this theory?
A. Implement data analytics to try and correlate the occurrence times.
B. Implement a honey pot to capture traffic during the next attack.
C. Configure the servers for high availability to handle the additional bandwidth.
D. Log all traffic coming from the competitor\'s public IP addresses.
Correct Answer: A

QUESTION 9
A senior network security engineer has been tasked to decrease the attack surface of the corporate network. Which of the following actions would protect the external network interfaces from external attackers performing network scanning?
A. Remove contact details from the domain name registrar to prevent social engineering attacks.
B. Test external interfaces to see how they function when they process fragmented IP packets.
C. Enable a honeynet to capture and facilitate future analysis of malicious attack vectors.
D. Filter all internal ICMP message traffic, forcing attackers to use full-blown TCP port scans against external networkinterfaces.
Correct Answer: B

QUESTION 10
Joe, a hacker, has discovered he can specifically craft a webpage that when viewed in a browser crashes the browser and then allows him to gain remote code execution in the context of the victim\'s privilege level. CAS-002 dumps The browser crashes due to an exception error when a heap memory that is unused is accessed. Which of the following BEST describes the application issue?
A. Integer overflow
B. Click-jacking
C. Race condition
D. SQL injection
E. Use after free
F. Input validation
Correct Answer: E

QUESTION 11
Company A needs to export sensitive data from its financial system to company B\'s database, using company B\'s API in an automated manner. Company A\'s policy prohibits the use of any intermediary external systems to transfer or store its sensitive data, therefore the transfer must occur directly between company A\'s financial system and company B\'s destination server using the supplied API. Additionally, company A\'s legacy financial software does not support encryption, while company B\'s API supports encryption. Which of the following will provide end-to-end encryption for the data transfer while adhering to these requirements?
A. Company A must install an SSL tunneling software on the financial system.
B. Company A\'s security administrator should use an HTTPS capable browser to transfer the data.
C. Company A should use a dedicated MPLS circuit to transfer the sensitive data to company B.
D. Company A and B must create a site-to-site IPSec VPN on their respective firewalls.
Correct Answer: A

QUESTION 12
The security administrator has just installed an active\passive cluster of two firewalls for enterprise perimeter defense of the corporate network. Stateful firewall inspection is being used in the firewall implementation. There have been numerous reports of dropped connections with external clients.
Which of the following is MOST likely the cause of this problem?
A. TCP sessions are traversing one firewall and return traffic is being sent through the secondary firewall and sessions are being dropped.
B. TCP and UDP sessions are being balanced across both firewalls and connections are being dropped because the session IDs are not recognized by the secondary firewall.
C. Prioritize UDP traffic and associated stateful UDP session information is traversing the passive firewall causing the connections to be dropped.
D. The firewall administrator connected a dedicated communication cable between the firewalls in order to share a single state table across the cluster causing the sessions to be dropped.
Correct Answer: A

QUESTION 13
A security analyst has been asked to develop a quantitative risk analysis and risk assessment for the company\'s online shopping application. Based on heuristic information from the Security Operations Center (SOC), a Denial of Service Attack (DoS) has been successfully executed 5 times a year. The Business Operations department has determined the loss associated to each attack is $40,000. After implementing application caching, the number of DoS attacks was reduced to one time a year. The cost of the countermeasures was $100,000. Which of the following is the monetary value earned during the first year of operation?
A. $60,000
B. $100,000
C. $140,000
D. $200,000
Correct Answer: A

QUESTION 14
A bank now has a major initiative to virtualize as many servers as possible, due to power and rack space capacity at both data centers. The bank has prioritized by virtualizing older servers first as the hardware is nearing end-of-life.
The two initial migrations include:
Windows 2000 hosts: domain controllers and front-facing web servers RHEL3 hosts: front-facing web servers
Which of the following should the security consultant recommend based on best practices?
A. One data center should host virtualized web servers and the second data center should host the virtualized domain controllers.
B. One virtual environment should be present at each data center, each housing a combination of the converted Windows 2000 and RHEL3 virtual machines.
C. Each data center should contain one virtual environment for the web servers and another virtual environment for the domain controllers.
D. Each data center should contain one virtual environment housing converted Windows 2000 virtual machines and converted RHEL3 virtual machines.
Correct Answer: C

QUESTION 15
A large bank deployed a DLP solution to detect and block customer and credit card data from leaving the organization via email. A disgruntled employee was able to successfully exfiltrate data through the corporate email gateway by embedding a word processing document containing sensitive data as an object in a CAD file. CAS-002 dumps Which of the following BEST explains why it was not detected and blocked by the DLP solution? (Select TWO).
A. The product does not understand how to decode embedded objects.
B. The embedding of objects in other documents enables document encryption by default.
C. The process of embedding an object obfuscates the data.
D. The mail client used to send the email is not compatible with the DLP product.
E. The DLP product cannot scan multiple email attachments at the same time.
Correct Answer: AC

QUESTION 16
A company is in the process of outsourcing its customer relationship management system to a cloud provider. It will host the entire organization\'s customer database. The database will be accessed by both the company\'s users and its customers. The procurement department has asked what security activities must be performed for the deal to proceed.
Which of the following are the MOST appropriate security activities to be performed as part of due diligence? (Select TWO).
A. Physical penetration test of the datacenter to ensure there are appropriate controls.
B. Penetration testing of the solution to ensure that the customer data is well protected.
C. Security clauses are implemented into the contract such as the right to audit.
D. Review of the organizations security policies, procedures and relevant hosting certifications.
E. Code review of the solution to ensure that there are no back doors located in the software.
Correct Answer: CD

QUESTION 17
The IT director has charged the company helpdesk with sanitizing fixed and removable media. The helpdesk manager has written a new procedure to be followed by the helpdesk staff. This procedure includes the current standard to be used for data sanitization, as well as the location of physical degaussing tools. In which of the following cases should the helpdesk staff use the new procedure? (Select THREE).
A. During asset disposal
B. While reviewing the risk assessment
C. While deploying new assets
D. Before asset repurposing
E. After the media has been disposed of
F. During the data classification process
G. When installing new printers
H. When media fails or is unusable
Correct Answer: ADH

QUESTION 18
An administrator\'s company has recently had to reduce the number of Tier 3 help desk technicians available to support enterprise service requests. As a result, configuration standards have declined as administrators develop scripts to troubleshoot and fix customer issues. The administrator has observed that several default configurations have not been fixed through applied group policy or configured in the baseline. Which of the following are controls the administrator should recommend to the organization\'s security manager to prevent an authorized user from conducting internal reconnaissance on the organization\'s network? (Select THREE).
A. Network file system
B. Disable command execution
C. Port security
D. TLS
E. Search engine reconnaissance
F. NIDS
G. BIOS security
H. HIDS
I. IdM
Correct Answer: BGI

QUESTION 19
The helpdesk manager wants to find a solution that will enable the helpdesk staff to better serve company employees who call with computer-related problems. The helpdesk staff is currently unable to perform effective troubleshooting and relies on callers to describe their technology problems. Given that the helpdesk staff is located within the company headquarters and 90% of the callers are telecommuters, which of the following tools should the helpdesk manager use to make the staff more effective at troubleshooting while at the same time reducing company costs? (Select TWO).
A. Web cameras
B. Email
C. Instant messaging
D. BYOD
E. Desktop sharing
F. Presence
Correct Answer: CE

QUESTION 20
An organization is preparing to upgrade its firewall and NIPS infrastructure and has narrowed the vendor choices down to two platforms. The integrator chosen to assist the organization with the deployment has many clients running a mixture of the possible combinations of environments. Which of the following is the MOST comprehensive method for evaluating the two platforms?
A. Benchmark each possible solution with the integrators existing client deployments.
B. Develop testing criteria and evaluate each environment in-house.
C. Run virtual test scenarios to validate the potential solutions.
D. Use results from each vendor\'s test labs to determine adherence to project requirements.
Correct Answer: B

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