A firewall yog software lossis firmware uas txwv tsis pub nkag mus rau lub network. Nws tshuaj xyuas cov tsheb nkag thiab tawm siv cov txheej txheem los txheeb xyuas thiab thaiv kev hem.
Yuav ua li cas firewall tiv thaiv sab nraud tawm tsam?
firewalls ua dab tsi? Firewalls muab kev tiv thaiv tawm tsam sab nraud cyber attackers los ntawm kev tiv thaiv koj lub computer lossis network los ntawm kev ua phem lossis tsis tsim nyog cov tsheb khiav. Firewalls tseem tuaj yeem tiv thaiv cov software phem los ntawm kev nkag mus rau lub khoos phis tawj lossis network hauv internet.
Qhov twg hauv qab no yog cov txheej txheem Internet ntau tshaj?
Nrov Network Protocols
- User Datagram Protocol (UDP) …
- Hypertext Transfer Protocol (HTTP) …
- Dynamic Host Configuration Protocol (DHCP) …
- Spanning Tree Protocol (STP) …
- File Transfer Protocol (FTP) …
- Secure Plhaub (SSH) …
- SSH File Transfer Protocol (SFTP) …
- Zoo kawg.
Yuav ua li cas firewall tiv thaiv tsis tau kev tso cai?
Ib lub firewall tuaj yeem pab tiv thaiv koj lub khoos phis tawj thiab cov ntaub ntawv los ntawm kev tswj hwm koj lub network tsheb. Nws ua qhov no los ntawm thaiv qhov tsis tau thov thiab tsis xav tau kev nkag mus hauv network. Lub firewall validates kev nkag tau los ntawm kev ntsuam xyuas cov tsheb thauj mus los no rau txhua yam phem xws li hackers thiab malware uas tuaj yeem kis tau rau koj lub computer.
Qhov twg hauv qab no tsis yog lub networktopology Mcq?
(d) Connect yog cov lus teb yog. Kev piav qhia: Hom topology yog tsheb npav topology, nplhaib topology, lub hnub qub topology, mesh topology thiab hybrid topology. Txuas tsis yog ib qho ntawm lawv.