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Question 1:
Which mode must be used to configure EtherChannel between two switches without using a negotiation protocol?
A. active
B. on
C. auto
D. desirable
Correct Answer: B
The Static Persistence (or “on” mode) bundles the links unconditionally and no negotiation protocol is used. In this mode, neither PAgP nor LACP packets are sent or received.
Question 2:
What must a network administrator consider when deciding whether to configure a new wireless network with APs in autonomous mode or APs running in cloud-based mode?
A. Autonomous mode APs are less dependent on an underlay but more complex to maintain than APs in cloud-based mode.
B. Cloud-based mode APs relay on underlays and are more complex to maintain than APs in autonomous mode.
C. Cloud-based mode APs are easy to deploy but harder to automate than APs in autonomous mode.
D. Autonomous mode APs are easy to deploy and automate than APs in cloud-based mode.
Correct Answer: A
Question 3:
A network engineer must create a diagram of a multivendor network. Which command must be configured on the Cisco devices so that the topology of the network can be mapped?
A. Device(config)#lldp run
B. Device(config)#cdp run
C. Device(config-if)#cdp enable
D. Device(config)#flow-sampler-map topology
Correct Answer: A
As CDP only for cisco devices. but since multi vendor then should be LLDP.
Question 4:
DRAG DROP
Drag and drop the TCP or UDP details from the left onto their corresponding protocols on the right.
Select and Place:
Correct Answer:
Question 5:
Which type of ipv6 address is publicly routable in the same way as ipv4 public addresses?
A. multicast
B. unique local
C. link-local
D. global unicast
Correct Answer: D
The type of IPv6 address that is publicly routable in the same way as IPv4 public addresses is a global unicast address. Global unicast addresses are unique, globally reachable addresses that are assigned to devices that need to communicate with other devices over the Internet. They are similar to IPv4 public addresses in that they can be used to reach devices on other networks, but they are structured differently and use a different address space.
Global unicast addresses are identified by the prefix “2000::/3” and are assigned to devices by their network administrator or by an Internet service provider (ISP). They are used for communication between devices on different networks, such as between a device on a LAN and a device on the Internet.
It\’s important to note that global unicast addresses are not the same as link-local addresses, which are used for communication within a single network segment or link and are not intended to be routable over the Internet. Link-local addresses are identified by the prefix “FE80::/10” and are automatically generated by the device when it is connected to a network.
Question 6:
Which technology is appropriate for communication between an SDN controller and applications running over the network?
A. OpenFlow
B. REST API
C. NETCONF
D. Southbound API
Correct Answer: B
REST API is the only one here in northbound
Question 7:
What is the root port in STP?
A. It is the port with the highest priority toward the root bridge.
B. It is the port on the root switch that leads to the designated port on another switch.
C. It is the port that is elected only when the root bridge has precisely one port on a single LAN segment.
D. It is the port on a switch with the lowest cost to reach the root bridge.
Correct Answer: D
Question 8:
Which technology can prevent client devices from arbitrarily connecting to the network without state remediation?
A. 802.1x
B. IP Source Guard
C. MAC Authentication Bypass
D. 802.11n
Correct Answer: A
802.1x is a security standard that prevents client devices from arbitrarily connecting to the network without state remediation. It provides a framework for authenticating devices that are attempting to access a LAN or WLAN.
802.1x uses a supplicant (client device) and an authenticator (network access device) to establish a secure connection. The supplicant sends an authentication request to the authenticator, which then forwards the request to an authentication server. If the authentication server approves the request, the supplicant is allowed to access the network. If the request is denied, the supplicant is not allowed to access the network.
Question 9:
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?
A. Assign traffic from the backup servers to a dedicated switch.
B. Configure a dedicated circuit for the backup traffic.
C. Place the backup servers in a dedicated VLAN.
D. Advertise a more specific route for the backup traffic via the secondary circuit.
Correct Answer: D
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:
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.
Question 10:
What are two functions of a firewall within an enterprise? (Choose two.)
A. It enables traffic filtering based on URLs.
B. It serves as an endpoint for a site-to-site VPN in standalone mode.
C. It provides support as an endpoint for a remote access VPN in multiple context mode.
D. It offers Layer 2 services between hosts.
E. It enables wireless devices to connect to the network.
Correct Answer: AB
A:Traffic Filtering based on URLs: A firewall can be configured to filter network traffic based on Uniform Resource Locators (URLs) or website addresses. This feature allows organizations to enforce web access policies by blocking or allowing specific URLs or categories of websites.
B:Endpoint for Site-to-Site VPN in Standalone Mode: A firewall can act as an endpoint for a site-to-site Virtual Private Network (VPN) connection. In this mode, the firewall establishes secure communication tunnels between different locations or networks, ensuring the confidentiality and integrity of data transmitted over the VPN.
Question 11:
Which statement correctly compares traditional networks and controller-based networks?
A. Only controller-based networks decouple the control plane and the data plane.
B. Traditional and controller-based networks abstract policies from device configurations.
C. Only traditional networks natively support centralized management.
D. Only traditional networks offer a centralized control plane.
Correct Answer: A
Most traditional devices use a distributed architecture, in which each control plane is resided in a networking device. Therefore they need to communicate with each other via messages to work correctly. In contrast to distributed architecture, centralized (or controller-based) architectures centralizes the control of networking devices into one device, called SDN controller.
Question 12:
What is represented by the word “port” within this JSON schema?
A. key
B. value
C. array
D. object
Correct Answer: A
Within this JSON schema, the word “port” is a key within the objects represented by the curly braces {}. Each object in the schema has two key-value pairs, where “port” is one of the keys.
Question 13:
Which statement compares traditional networks and controller-based networks?
A. Only traditional networks natively support centralized management.
B. Traditional and controller-based networks abstract policies from device configurations.
C. Only traditional networks offer a centralized control plane.
D. Only controller-based networks decouple the control plane and the data plane.
Correct Answer: D
Question 14:
Refer to the exhibit. The DHCP server and clients are connected to the same switch. What is the next step to complete the DHCP configuration to allow clients on VLAN 1 to receive addresses from the DHCP server?
A. Configure the ip dhcp snooping trust command on the interlace that is connected to the DHCP client.
B. Configure the ip dhcp relay information option command on the interface that is connected to the DHCP client.
C. Configure the ip dhcp snooping trust command on the interface that is connected to the DHCP server.
D. Configure the Ip dhcp relay information option command on the interface that is connected to the DHCP server.
Correct Answer: C
If a Layer 2 LAN port is connected to a DHCP server, configure the port as trusted by entering the ip dhcp snooping trust interface configuration command. https://www.cisco.com/en/US/docs/general/Test/dwerblo/broken_guide/snoodhcp.html#wp1073367
Question 15:
For what two purposes does the Ethernet protocol use physical addresses?
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown
Correct Answer: AE
Transmission Control Protocol/Internet Protocol Packet Analysis … In a LAN, each node is assigned a physical address, also known as a MAC/Ethernet address. This address is unique to each of the nodes on the LAN and is 6 bytes (48 bits) long, which is burned on the Ethernet card (also known as the network interface card). Ethernet is a byte-count protocol. A node on a LAN broadcasts a frame that is heard by all other nodes; only the node whose Ethernet address matches with the DA in the Ethernet frame copies the frame into its buffer.