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NEW QUESTION # 12
Which of the following is NOT part of Day 2+ operations with Nokia's Fabric Services System?
- A. Use the digital sandbox to test and validate configuration changes and upgrades.
- B. Analyze the overall health of the data center fabric for proactive operations.
- C. Use a fabric intent to build and validate design templates.
- D. Monitor the data center fabric using model-driven telemetry.
Answer: C
Explanation:
Using a fabric intent to build and validate design templates is primarily a Day 0 or Day 1 activity focused on initial fabric deployment and design, not part of Day 2+ operational tasks like monitoring, health analysis, or change validation.
NEW QUESTION # 13
Which of the following statements about a MAC-VRF is FALSE?
- A. Multiple devices can be connected to the same IP subnet using a MAC-VRF.
- B. Bridge table entries contain an exit interface for each destination address.
- C. Packets received in a MAC-VRF are forwarded based on destination IP address.
- D. A MAC-VRF is a Layer 2 network instance.
Answer: C
Explanation:
In a MAC-VRF, packets are forwarded based on Layer 2 information such as destination MAC addresses, not on destination IP addresses.
NEW QUESTION # 14
Which of the following is NOT how prefixes are typically learned and advertised in a leaf and spine data center?
- A. Spine routers advertise learned prefixes to leaf routers directly using eBGP.
- B. Each leaf router advertises the prefixes of its own locally connected servers.
- C. Each leaf router learns the prefixes of remote servers from other leaf routers directly using eBGP.
- D. Spine routers learn prefixes from leaf routers directly using eBGP.
Answer: C
Explanation:
Leaf routers do not learn prefixes from other leaf routers directly using eBGP; instead, leaf routers learn remote prefixes via spine routers. The spine acts as the route reflector or intermediary between leaf routers.
NEW QUESTION # 15
How does Nokia's Fabric Services System use a fabric intent to build the DC switch fabric?
- A. It uses a YAML file that defines the intended configuration state of the DC fabric.
- B. It uses telemetry data to build the configuration files for the DC fabric.
- C. It uses a digital sandbox to build the configuration files for the DC fabric.
- D. It uses a digital sandbox to connect workloads to the DC fabric.
Answer: A
Explanation:
Nokia's Fabric Services System uses a fabric intent defined in a declarative YAML file to specify the desired state of the data center fabric, which is then used to build and configure the fabric accordingly.
NEW QUESTION # 16
Which of the following statements about configuration checkpoints in Nokia SR Linux is FALSE?
- A. The operator can revert to any existing checkpoint.
- B. The operator can generate a new checkpoint when committing configuration changes.
- C. Checkpoint 0 is always the oldest checkpoint.
- D. The current running configuration can be saved as a JSON-formatted checkpoint file.
Answer: C
Explanation:
In Nokia SR Linux, checkpoint numbering is dynamic. The system assigns the lowest available number to the most recent checkpoint, not necessarily "0." When the number of saved checkpoints exceeds the configured maximum, the oldest checkpoint is removed, and the remaining checkpoints are renumbered accordingly. Therefore, checkpoint "0" is not always the oldest checkpoint.
NEW QUESTION # 17
Which of the following is NOT a function of Nokia's SR Linux application manager?
- A. It manages the SR Linux and customer-defined applications.
- B. It reads the application's configuration information and starts each application.
- C. It monitors the health of all applications.
- D. It translates the application's YANG model into protobufs for the IDB.
Answer: D
Explanation:
The SR Linux application manager does not perform the function of translating an application's YANG model into protobufs for the Interface DataBase (IDB). Its primary roles are managing applications, reading their configuration, and monitoring their health.
NEW QUESTION # 18
Which of the following statements about the MAC table shown in the exhibit output is FALSE?
- A. [interface ethernet-1/10 is configured with the MAC address 00:25:BA:00:00:10.
- B. The MAC re-learning rate has exceeded the threshold within the specified time frame.
- C. Mac-duplication detection is enabled in mac-vrf-1.
- D. The MAC address 00:25: BA:00:00:10 is learnt on more than one interface.
Answer: D
Explanation:
The MAC address 00:25:BA:00:00:10 is listed as "duplicate," but it appears only once associated with interface ethernet-1/10. Therefore, it is not learned on more than one interface.
NEW QUESTION # 19
Which of the following statements about Zero Touch Provisioning (ZTP) is FALSE?
- A. ZTP allows a router to become operational in the network without any pre-provisioning.
- B. The ZTP process is managed by the ZTP application in Nokia SR Linux.
- C. The ZTP process downloads a provisioning script defined in the TLS profile.
- D. The ZTP process relies on a DHCP server for an IP address.
Answer: C
Explanation:
The ZTP process downloads a provisioning script typically from a defined URL or server, not from a TLS profile. The TLS profile is used for securing communications but does not define the provisioning script location.
NEW QUESTION # 20
Which of the following statements about a CPM-filter policer is FALSE?
- A. CPM-filter entries can use both a distributed-policer and a system-cpu-policer.
- B. The system-cpu-policer acts on the aggregate traffic from all line cards.
- C. Hierarchical policing of control plane traffic is supported.
- D. The system-cpu-policer is hardware-based.
Answer: D
Explanation:
The system-cpu-policer in Nokia SR Linux is software-based, not hardware-based. It acts on aggregate control plane traffic and supports hierarchical policing with CPM-filter entries using both distributed and system-cpu-policers.
NEW QUESTION # 21
Which of the following is NOT a function of Nokia's SR Linux application manager?
- A. It manages the SR Linux and customer-defined applications.
- B. It reads the application's configuration information and starts each application.
- C. It monitors the health of all applications.
- D. It translates the application's YANG model into protobufs for the IDB.
Answer: D
Explanation:
The SR Linux application manager does not perform the function of translating an application's YANG model into protobufs for the Interface DataBase (IDB). Its primary roles are managing applications, reading their configuration, and monitoring their health.
NEW QUESTION # 22
Which of the following statements about SR Linux interfaces is FALSE?
- A. Network interfaces are associated with physical ports on the linecards.
- B. Layer 2 parameters such as MTU are configured at the SR Linux interface level while Layer 3 parameters are configured at the subinterface level.
- C. The loopback interface is a physical interface directly connected to another interface on the same chassis.
- D. Only one management interface is allowed.
Answer: C
Explanation:
The loopback interface in SR Linux is a logical, virtual interface used for management and routing purposes; it is not a physical interface directly connected to another interface on the same chassis.
NEW QUESTION # 23
Which of the following statements about resilient ECMP load balancing is TRUE?
- A. Hash buckets are used to ensure that flows egressing the same interface on one router use different egress interfaces on downstream routers.
- B. A different hash seed is used on downstream routers to ensure that flows are randomly distributed across all eligible router interfaces.
- C. When one of the next-hops fail, only flows currently egressing to that next-hop are impacted.
- D. The hash value used to distribute traffic is calculated as a modulo function on specific fields of the packet header.
Answer: C
Explanation:
In resilient ECMP load balancing, when a next-hop fails, only the flows that were using that specific next-hop are affected and need to be redistributed, minimizing disruption to other flows.
NEW QUESTION # 24
Which of the following statements about multi-homing in EVPN is FALSE?
- A. Type 4 Ethernet Segment (ES) EVPN route is used for designated forwarder (DF) election for an ES.
- B. Type 1 Ethernet Auto-Discovery (A-D) EVPN route is used to support EVPN multi-homing.
- C. The ES identifier (ESI) uniquely identifies an ES and it is locally significant for a particular leaf.
- D. The Ethernet Segment (ES) identifies a set of links that connects a host to one or more leafs.
Answer: C
Explanation:
The Ethernet Segment Identifier (ESI) uniquely identifies an Ethernet Segment (ES) globally across the EVPN domain, not just locally for a particular leaf.
NEW QUESTION # 25
Which of the following statements about Nokia's SR Linux logging is FALSE?
- A. SR Linux logs are handled using facility Iocal6 of the native Linux syslog utility.
- B. Logging parameter configuration is translated into the /etc/rsyslog.conf file.
- C. SR Linux supports the use of filters to select log messages.
- D. SR Linux logs can be saved locally as an encrypted file.
Answer: D
Explanation:
Nokia SR Linux does not natively support saving logs locally as encrypted files. Logs are managed using standard Linux syslog facilities and can be filtered, but encryption of local log files is not a built-in feature.
NEW QUESTION # 26
Which of the following statements about Nokia's Fabric Services System is FALSE?
- A. Telemetry data is provided in a context that is relevant to the fabric intent.
- B. Digital sandbox provides notification of performance issues in the data center fabric.
- C. Cloud-native design enables easy integration with the customer's environment.
- D. Data center fabric configuration is represented as the fabric intent in a declarative YAML format.
Answer: B
Explanation:
The Digital Sandbox in Nokia's Fabric Services System is primarily used for simulation and validation of fabric intent, not for providing notifications of performance issues.
NEW QUESTION # 27
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