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Chức năng của một bộ điều khiển trong mạng dựa trên bộ điều khiển là gì?

What is the function of a controller in controller-based networking?

• A. It is a pair of core routers that maintain all routing decisions for a campus.

• 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 serves as the centralized management point of an SDN architecture.

Hai khả năng của Cisco DNA Center nào làm cho nó trở nên mở rộng hơn so với quản lý thiết bị khuôn viên truyền thống?

Which two capabilities of Cisco DNA Center make it more extensible as compared to traditional campus device management? (Choose two.)

• A. customized versions for small, medium, and large enterprises

• B. adapters that support all families of Cisco IOS software

• C. modular design that is upgradable as needed

• D. SDKs that support interaction with third-party network equipment

• E. REST APIs that allow for external applications to interact natively with Cisco DNA Center

Hai lợi ích của tự động hóa mạng là gì? (Chọn hai.)

What are two benefits of network automation?

• A. reduced operational costs

• B. faster changes with more reliable results

• C. reduced hardware footprint

• D. fewer network failures

• E. increased network security

An engineer observes high usage on the 2.4GHz channels and lower usage on the 5GHz channels. What must be configured to allow clients to preferentially use 5GHz access points?

• Re-Anchor Roamed Clients

• 11ac MU-MIMO

• Client Band Select

• OEAP Split Tunnel

Refer to the exhibit. A network administrator must permit SSH access to remotely manage routers in a network. The operations team resides on the 10.20.1.0/25 network. Which command will accomplish this task?

• no access-list 2699 deny tcp any 10.20.1.0 0.0.0.127 eq 22

• access-list 2699 permit tcp any 10.20.1.0 0.0.0.255 eq 22

• access-list 2699 permit udp 10.20.1.0 0.0.0.255

• no access-list 2699 deny ip any 10.20.1.0 0.0.0.255

What is a capability of FTP in network management operations?

• A. encrypts data before sending between data resources

• B. uses separate control and data connections to move files between server and client

• C. offers proprietary support at the session layer when transferring data

• D. devices are directly connected and use UDP to pass file information

An engineer must configure the IPv6 address 2001:0db8:0000:0700:0003:400F:572B on the serial0/0 interface of the HQ router and wants to compress it for easier configuration. Which command must be issued on the router interface?

• ipv6 address 2001:db8:0:700:3:4F:572B

• ipv6 address 2001:db8::700:3:400F:572B

• ipv6 address 2001:0db8::7:3:4F:572B

• ipv6 address 2001::db8:0000::700:3:400F:572B

In which circumstance would a network architect decide to implement a global unicast subnet instead of a unique local unicast subnet?

• A. when the addresses on the subnet must be equivalent to private IPv4 addresses

• B. when the subnet must be available only within an organization

• C. when the subnet must be routable over the internet

• D. when the subnet does not need to be routable

What is a characteristic of cloud-based network topology?

• A. wireless connections provide the sole access method to services

• B. physical workstations are configured to share resources

• C. services are provided by a public, private, or hybrid deployment

• D. onsite network services are provided with physical Layer 2 and Layer 3 components

A wireless access point is needed and must meet these requirements:

1.     "zero-touch" deployed and managed by a WLC

2.     process only real-time MAC functionality

3. 3. used in a split-MAC architecture

4. Which access point type must be used?

• A. autonomous

• B. mesh

• C. lightweight

• D. cloud-based