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| Section | Objectives |
|---|---|
| Network Function Virtualization (NFV) | - NFV architecture components - NFV orchestration - Virtual Network Functions (VNFs) |
| Software-Defined Networking (SDN) | - SDN controllers - OpenFlow protocol - SDN applications |
| Service Provider Cloud Architecture | - Service provider cloud design principles - Cloud infrastructure components - Virtualization technologies |
| Security and Compliance | - Compliance requirements - Identity and access management - Cloud security frameworks |
| Automation and Orchestration | - Automation tools and APIs - NETCONF/RESTCONF protocols - YANG data models |
| Service Provider Cloud Services | - Cloud service lifecycle management - Platform as a Service (PaaS) - Infrastructure as a Service (IaaS) |
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NEW QUESTION # 122
Which of the following are true about IPsec VPNs? (Choose two)
Answer: B,D
NEW QUESTION # 123
API security is crucial for protecting:
Answer: D
NEW QUESTION # 124 
Refer to the exhibit. An engineer must stop a DoS attack on web and mail servers by using destination-based RTBH routing. Which two commands must be run on router R1? (Choose two)
Answer: A,B
Explanation:
Destination-based Remote Triggered Black Hole (RTBH) routing is a DDoS mitigation technique where trafficto a victim's IP addressis intentionally routed to a special next hop (usually Null0) so that the traffic is dropped as close to the source as possible.
On the edge router (R1 in the figure), this is accomplished by installing/32 static routesfor the victim endpoints, pointing to the null interface. When these routes are installed (often triggered via BGP in larger deployments), any traffic destined to those exact IP addresses is discarded.
In the topology:
* Web server IP:10.20.10.2
* Mail server IP:10.30.10.2
To perform destination-based RTBH at R1, we must configure static /32 routes to Null0 for each victim IP:
ip route 10.20.10.2 255.255.255.255 Null0
ip route 10.30.10.2 255.255.255.255 Null0
These correspond to:
* Option Cfor the web server (10.20.10.2)
* Option Afor the mail server (10.30.10.2)
The other options are incorrect for RTBH:
* BandDremove /24 routes via 10.10.10.2; they do not implement black-holing and would break normal routing rather than selectively drop attack traffic.
* Eblack-holes 10.20.10.1, which is the default gateway on R2, not the victim server; that would impact overall connectivity instead of just dropping traffic to the attacked host.
NEW QUESTION # 125
How does log management assist in meeting the requirements of cloud security regulatory compliance?
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Cisco SP Cloud Network Infrastructure Security Knowledge Cloud security compliance frameworks (such as ISO 27001, PCI-DSS, GDPR, SOC 2, HIPAA) require:
* Evidence of security events
* Retention of logs for audit periods
* Ability to generate compliance reports
* Traceability and accountability
* Incident investigation support
Effective log management enables:
* Centralized collection of application, network, and system logs
* Storage of logs for mandated retention periods
* Generation ofaudit-ready reports
* Documentation required for compliance assessments
* Demonstration that monitoring and security controls are active and functioning Therefore, the role of log management in regulatory compliance is primarily aboutdocumentation, traceability, auditing, and reporting, which aligns only with Option A.
The other options do not directly serve regulatory compliance requirements:
* Brelates to resource optimization, not compliance.
* Crefers to interoperability, which is unrelated to regulatory auditing.
* Dimproves security but does not directly address compliance documentation.
NEW QUESTION # 126 
Refer to the exhibit. An engineer working for a private service provider with an employee ID 5207:22:409 must configure iBGP multipath load sharing across the three paths. Which two commands must be run on the PE router? (Choose two.)
Answer: B,C
Explanation:
In the diagram, thePE and R2, R3, R4, R5belong toAS 100. The PE router runs BGP processAS 100, so its BGP configuration must start with:
router bgp 100
To performiBGP multipath load sharingacross three equal-cost internal BGP paths, BGP must be instructed to keep and use multiple iBGP paths in the routing table. This is done with:
router bgp 100
maximum-paths ibgp 3
* maximum-paths ibgp 3 tells BGP to install up tothreeiBGP paths to the same prefix, enabling CEF to load-share across those paths.
* router bgp 100 is required because the PE is inAS 100, not 101.
Other options:
* ip load-sharing per-destination affects CEF behavior but does not enable BGP iBGP multipath by itself and is not specific to three iBGP paths.
* ip load-sharing ibgp 3 is not a valid IOS BGP command.
* router bgp 101 would configure the wrong AS and break the iBGP relationships shown in AS-100.
Thus, the correct commands on the PE to achieve iBGP multipath load sharing over the three internal paths are maximum-paths ibgp 3androuter bgp 100, corresponding toA and E.
NEW QUESTION # 127
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