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What is the function of a controller in controller-based networking?
A. It serves as the centralized management point of an SDN architecture.
B. It centralizes the data plane for the network.
C. It is the card on a core router that maintains all routing decisions for a campus.
D. It is a pair of core routers that maintain all routing decisions for a campus
Which action does the router take as it forwards a packet through the network?
A. The router replaces the original source and destination MAC addresses with the sending router MAC address as the source and neighbor MAC address as the destination
B. The router encapsulates the original packet and then includes a tag that identifies the source router MAC address and transmits it transparently to the destination
C. The router encapsulates the source and destination IP addresses with the sending router IP address as the source and the neighbor IP address as the destination
D. The router replaces the source and destination labels with the sending router interface label as a source and the next hop router label as a destination
What are two similarities between UTP Cat 5e and Cat 6a cabling? (Choose two.)
A. Both operate at a frequency of 500 MHz.
B. Both support runs of up to 55 meters.
C. Both support runs of up to 100 meters.
D. Both support speeds of at least 1 Gigabit.
E. Both support speeds up to 10 Gigabit.
What is a characteristic of cloud-based network topology?
A. wireless connections provide the sole access method to services
B. onsite network services are provided with physical Layer 2 and Layer 3 components
C. services are provided by a public, private, or hybrid deployment
D. physical workstations are configured to share resources
What is the difference in data transmission delivery and reliability between TCP and UDP?
A. TCP transmits data at a higher rate and ensures packet delivery. UDP retransmits lost data to ensure applications receive the data on the remote end.
B. UDP sets up a connection between both devices before transmitting data. TCP uses the threeway handshake to transmit data with a reliable connection.
C. UDP is used for multicast and broadcast communication. TCP is used for unicast communication and transmits data at a higher rate with error checking.
D. TCP requires the connection to be established before transmitting data. UDP transmits data at a higher rate without ensuring packet delivery.
How are the switches in a spine-and-leaf topology interconnected?
A. Each leaf switch is connected to one of the spine switches.
B. Each leaf switch is connected to two spine switches, making a loop.
C. Each leaf switch is connected to each spine switch.
D. Each leaf switch is connected to a central leaf switch, then uplinked to a core spine switch.
Refer to the exhibit. What is the metric of the route to the 192.168.10.33/28 subnet?
A. 84
B. 110
C. 128
D. 192
E. 193
Which two protocols must be disabled to increase security for management connections to a Wireless LAN Controller? (Choose two )
A. Telnet
B. SSH
C. HTTP
D. HTTPS
E. TFTP
What are two benefits of using the PortFast feature? (Choose two)
A. Enabled interfaces are automatically placed in listening state
B. Enabled interfaces come up and move to the forwarding state immediately
C. Enabled interfaces never generate topology change notifications.
D. Enabled interfaces that move to the learning state generate switch topology change notifications
E. Enabled interfaces wait 50 seconds before they move to the forwarding state
Which function is performed by DHCP snooping?
A. propagates VLAN information between switches
B. listens to multicast traffic for packet forwarding
C. provides DDoS mitigation
D. rate-limits certain traffic