200-301 practice questions 1,211–1,220

1. Question 1211 · 1334 in bank

   

   Refer to the exhibit. All interfaces are in the same VLAN. All switches are configured with the default STP priorities. During the STP elections, which switch becomes the root bridge?

   • AMDF-DC-1: 08:E0:43:42:70:13
   • BMDF-DC-2: 08:0E:18:22:05:97
   • CMDF-DC-4: 08:E0:19:A1:B3:19
   • DMDF-DC-3: 08:0E:18:1A:3C:9D

   Show answer

   Answer: D

   Explanation

   You should be able to just eyeball this. Hex isn't hard, but if we break down each MAC address, converting each octet into decimal: A. MDF-DC-1: 08:E0:43:42:70:13 -> [8, 224, 67, 66, 112, 19] B. MDF-DC-2: 08:0E:18:22:05:97 -> [8, 14, 24, 34, 5, 151] C. MDF-DC-4: 08:E0:19:A1:B3:19 -> [8, 224, 25, 161, 179, 25] D. MDF-DC-3: 08:0E:18:1A:3C:9D -> [8, 14, 24, 26, 60, 157] We see that D is the lowest. In STP, if all priorities are the same, then the lowest MAC address wins. D is the answer.

   Source: Adapted from community discussion — [Removed]

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2. Question 1212 · 1334 in bank

   Select 2

   What are two port types used by a Cisco WLC for out-of-band management? (Choose two.)

   • Aservice
   • Bconsole
   • Cmanagement
   • Ddistribution system
   • Eredundant

   Show answer

   Answer: AB

   Explanation

   Going with A & B. In-band: connecting to a router via telnet or SSH. This implies that you have IP reachability to the device. Out-of-band: no IP reachability to the device. This implies that you need to either physically connect a console cable to the device in order to access it or connect to the device via a terminal server. The terminal server in turn has a console cable connected to the router. https://learningnetwork.cisco.com/s/question/0D53i00000Kt4Q9CAJ/what-is-outofband-management-in-simple-words

   Source: Adapted from community discussion — no_blink404

   References

   • Cisco documentation
   • cisco.com documentation

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3. Question 1213 · 1334 in bank

   What is a reason to implement LAG on a Cisco WLC?

   • AAllow for stateful failover between WLCs.
   • BIncrease security by encrypting management frames.
   • CIncrease the available throughput on the link.
   • DEnable the connected switch ports to use different Layer 2 configurations.

   Show answer

   Answer: C

   Explanation

   A is incorrect, a LAG is configured on a single WLC's distribution system ports which are connected to a multilayer switch, not to another WLC. It increases available bandwidth between the wired and wireless networks. The redundancy port of a WLC is for connecting to the redundancy port of another WLC for high availability deployment designs. There is only one redundancy port on a WLC, so LAG is unrelated to that.

   Source: Adapted from community discussion — oatmealturkey

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4. Question 1214 · 1334 in bank

   A wireless access point is needed and must meet these requirements: • “zero-touch” deployed and managed by a WLC • process only real-time MAC functionality • used in a split-MAC architecture Which access point type must be used?

   • Amesh
   • Bautonomous
   • Clightweight
   • Dcloud-based

   Show answer

   Answer: C

   Explanation

   The correct answer is C. lightweight. A lightweight access point (LWAP) meets all the specified requirements: “Zero-touch” deployment and managed by a WLC: LWAPs are centrally managed by a Wireless LAN Controller (WLC), allowing for easy deployment and management. Process only real-time MAC functionality: LWAPs handle real-time MAC functions, while the WLC manages non-real-time functions. Used in a split-MAC architecture: LWAPs operate using a split-MAC architecture, dividing responsibilities between the AP and the WLC.

   Source: Adapted from community discussion — adrianspa

   References

   • Cisco documentation

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5. Question 1215 · 1334 in bank

   Which interface is used for out-of-band management on a WLC?

   • Amanagement
   • Bvirtual
   • Cdynamic
   • Dservice port

   Show answer

   Answer: D

   Explanation

   The interface used for out-of-band management on a Wireless LAN Controller (WLC) is: A. management Explanation: The management interface on a WLC is specifically designed for out-of-band management purposes. It's used to access the controller's management functions, configure settings, monitor performance, and perform various administrative tasks. The other options: B. virtual: The virtual interface is typically used to represent a logical interface, such as a VLAN interface, within the context of the controller. It's not primarily used for direct out-of-band management. C. dynamic: "Dynamic" isn't a specific type of interface on a WLC, and it doesn't relate to out-of-band management. D. service port: The service port on a WLC is used for normal access-point traffic, not for out-of-band management. In summary, the correct interface used for out-of-band management on a WLC is the A. management interface.

   Source: Adapted from community discussion — shaney67

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6. Question 1216 · 1334 in bank

   

   Refer to the exhibit. How does SW2 interact with other switches in this VTP domain?

   • AIt transmits and processes VTP updates from any VTP clients on the network on its trunk ports.
   • BIt processes VTP updates from any VTP clients on the network on its access ports.
   • CIt receives updates from all VTP servers and forwards all locally configured VLANs out all trunk ports.
   • DIt forwards only the VTP advertisements that it receives on its trunk ports.

   Show answer

   Answer: D

   Explanation

   Ea h switch can use one of four different VTP modes: VTP client mode – a switch using this mode can’t change its VLAN configuration. That means that a VTP client switch cannot create or delete VLANs. However, received VTP updates are processed and forwarded. VTP server mode – a switch using this mode can create and delete VLANs. A VTP server switch will propagate VLAN changes. This is the default mode for Cisco switches. VTP transparent mode – a switch using this mode doesn’t share its VLAN database, but it forwards received VTP advertisements. You can create and delete VLANs on a VTP transparent switch, but these changes will not be sent to other switches. VTP mode off – similar to VTP transparent mode, with a difference that a switch using this mode will not forward received VTP updates. This command is supported only in VTP V3.

   Source: Adapted from community discussion — RidzV

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7. Question 1217 · 1334 in bank

   Which network action occurs within the data plane?

   • Areply to an incoming ICMP echo request
   • Bmake a configuration change from an incoming NETCONF RPC
   • Crun routing protocols (OSPF, EIGRP, RIP, BGP)
   • Dcompare the destination IP address to the IP routing table

   Show answer

   Answer: D

   Explanation

   Extracted from Book #2, page 359: "... the following list details some of the more common actions that a networking device does that fit into the data plane: - De-encapsulating and re-encapsulating a packet in a data-link frame (routers, layer 3 switches). - Adding or removing an 802.1Q trunking header (routers and switches). - Matching an ethernet frame's destination MAC address to the MAC address table (layer 2 switches). - Matching an IP packet's destination IP address to the IP routing table (routers, layer 3 switches). - Encrypting the data and adding a new IP header (for VPN processing). - Changing the source or destination IP address (for NAT) processing). - Discarding a message due to a filter (ACLs, port security). All the items in the list make up the data plane, because the data plane includes all actions done per message."

   Source: Adapted from community discussion — Dante_Dan

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8. Question 1218 · 1334 in bank

   A network engineer is upgrading a small data center to host several new applications, including server backups that are expected to account for up to 90% of the bandwidth during peak times. The data center connects to the MPLS network provider via a primary circuit and a secondary circuit. How does the engineer inexpensively update the data center to avoid saturation of the primary circuit by traffic associated with the backups?

   • AAssign traffic from the backup servers to a dedicated switch.
   • BPlace the backup servers in a dedicated VLAN.
   • CAdvertise a more specific route for the backup traffic via the secondary circuit.
   • DConfigure a dedicated circuit for the backup traffic.

   Show answer

   Answer: C

   Explanation

   To inexpensively update the data center and avoid saturation of the primary circuit by traffic associated with the backups, the network engineer can implement the following solution: C. Advertise a more specific route for the backup traffic via the secondary circuit. By advertising a more specific route for the backup traffic via the secondary circuit, the engineer can ensure that the backup traffic is directed through the secondary circuit instead of overwhelming the primary circuit. This can be achieved by configuring the routing protocols or static routes to prioritize the secondary circuit for the backup traffic. This approach allows the engineer to leverage the existing infrastructure and circuits without the need for additional dedicated equipment or circuits, making it a cost-effective solution. It effectively separates the backup traffic from other data center traffic and ensures efficient utilization of the available network resources.

   Source: Adapted from community discussion — StingVN

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9. Question 1219 · 1334 in bank

   

   Refer to the exhibit. A network engineer started to configure two directly-connected routers as shown. Which command sequence must the engineer configure on R2 so that the two routers become OSPF neighbors?

   • Ainterface GigabitEthernet0/1 ip ospf 1 area 1
   • Brouter ospf 1 network 192.168.12.1 0.0.0.0 area 1
   • Cinterface GigabitEthernet0/1 ip ospf 1 area 0
   • Drouter ospf 1 network 192.168.12.0 0.0.0.127 area 0

   Show answer

   Answer: A

   Explanation

   OSPF will be enable if one of the interfaces of the router matches the address-range specified by the network area command OSPF can be enabled by specifying the exact interface in 2 ways: either by using IP OSPF area command on interface level or by using the IPV4 address of the interface with all zero Wild-card mask ------ router OSPF network area ------ The 2 neighbors must have the same area id so option C & D are incorrect (area mismatch) option B is incorrect since no interface in R2 matches the IP address 192.168.12.1, so OSPF won't be enabled option A is correct (we can also write router OSPF 1 network 192.168.12.2 0.0.0.0)

   Source: Adapted from community discussion — AbdullahMohammad251

   References

   • Cisco documentation

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10. Question 1220 · 1334 in bank

    

    Refer to the exhibit. What does route 10.0.1.3/32 represent in the routing table?

    • Aall hosts in the 10.0.1.0 subnet
    • Ba single destination address
    • Cthe source 10.0.1.100
    • Dthe 10.0.0.0 network

    Show answer

    Answer: B

    Explanation

    The route 10.0.1.3/32 represents a single host route, as the /32 prefix length specifies a single IP address. In this case, it is an exact match to the IP address 10.0.1.3. Therefore, it points to a single destination address rather than an entire subnet or network.

    Source: Adapted from community discussion — Shaifalimittal02

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200-301 practice, question 1211. 1334 questions available.