A10 ACOS study guide
A10 ACOS · Work through your exam, one topic at a time.
A10 ACOS - the Advanced Core Operating System - is the software platform that A10 Networks lists among the core advantages of its product line, and it is the environment an administrator actually works in when configuring Thunder ADC application delivery controllers for load balancing, TLS offload, and high availability. The ACOS exam credential is aimed at network and security engineers, ADC administrators, and pre-sales or support staff who deploy and operate A10 infrastructure and who need to show they can build and troubleshoot a working configuration rather than recite menu paths. The A10 ACOS study guide has 5 sections and about 1,554 words.
01ACOS Architecture and Initial Access
ACOS is the A10 Networks ADC operating system for Thunder physical appliances, vThunder virtual editions, and bare-metal deployments. It separates the control plane (CLI, GUI, aXAPI) from the data plane that forwards traffic, and it stores configuration as objects in a running-config that you save explicitly.
321 words, about 2 min02Virtual Servers, Service Groups, and Load Balancing
A virtual server (VIP) is the client-facing object: an IP address, a port, and a protocol. Port 0, or an any-address VIP, is a wildcard that is powerful but easy to mis-scope.
319 words, about 2 min03Health Monitors and Server Maintenance
Health monitors test a member and set its state. Layer 3/4 monitors (ICMP, TCP connect, UDP) only prove reachability; a TCP monitor can pass while the application is broken.
323 words, about 2 min04SSL/TLS Offload and Certificate Management
SSL/TLS offload terminates client TLS on the ADC, then forwards plaintext or re-encrypts to the server. Client-side SSL is configured on the virtual server port through a client SSL template; server-side SSL is configured on the service group or real server through a server SSL template.
313 words, about 2 min05High Availability and System Administration
ACOS high availability is built on VRRP-A, A10's enhanced VRRP implementation. Peers form a redundancy group identified by a VRID and a device-id, exchange hellos, and elect a master by priority; preemption decides whether a recovered higher-priority peer takes the role back.
278 words, about 1 min