H35-211_V2.5 무료 덤프문제 온라인 액세스

After anti-DoS attack is configured, the system periodically checks all the user ports on the board. If the system detects attacks for multiple consecutive times, the system adds the corresponding port to the blacklist and waits for a random period before a new round of detection to determine whether to remove the port from the blacklist.

• A.FALSE
• B.TRUE

(Single)When deploying home and guest services in a PON system, which of the following services has the highest priority?

• A.IPTV
• B.INTERNET
• C.VOIP
• D.GAME

Multicast technology effectively solves the problem of single-point transmission and multipoint reception, and realizes efficient data transmission from midpoint to multipoint in IP network.

• A.wrong
• B.Right

(Radio) follow the multicast IP address 227. The correct multicast MAC address corresponding to 120.1.32 is

• A.01-00-5e-78-01-32
• B.01-00-5e-78-01-20
• C.01-00-5e-14-01-32
• D.01-00-5e-14-01-20

(Radio) 10G GPON system downlink wavelength is

• A.1577nm
• B.1270mm
• C.1310nm
• D.1490nm