assalam o alaikum

mein ccna karna chahta hoon jub mein ccna ki maloomat lenay gaya vahan per ccna wireless bhi karwa rahe thay ccna security bhi, ccna voice bhi pata nahi aur bhi thein lakin mein confuse hogaya kon se ccna karon... mujhe aap doston se poochhna yeh hai kay mein ccna kon si karon jo asaan bhi ho aur scope bhi acha ho jahan mujhe achi job bhi mil jai.... aur kindly aap dost mujeh in kay baray mein thora detail mein batain kia farak hota hai aur mashwaray bhi dein kay kon si ccna karon

thanks in advance