Able to install, configure, operate and troubleshoot medium-sized routing and switching networks. Professionals who have obtained CCNA certification have the corresponding knowledge and skills, and can establish connections with remote sites through WAN.

Eliminate basic security threats and understand the requirements of wireless network access. CCNA training includes (but is not limited to) the use of the following protocols: IP, EIGRP, serial line interface protocol, frame relay,

RIPv2, VLAN, Ethernet and access control list (ACL). There is no need for CCNA certification, and basic computer knowledge is recommended.

CCNA certification examination and training course examination number. : CCNA 640-802

If it is only textual research, it is of little use.

But if you concentrate on learning technology, it is still worth learning.

After all, Cisco is the standard in the industry.

And now the NA certificate is not very difficult to test. Just memorizing the question bank is equivalent to learning nothing.

The initial cost is around 2000.

CCNA is just a basic suggestion. You should often take the online exam-CCNP-CCIE, and you will be awesome.