Step 1: Achieve Entry-Level Certification. Although the Cisco Certified Network Associate (CCNA) exam has no official prerequisites, the Cisco Certified Entry Network Technician (CCENT) certification is a good starting point to prepare for the more advanced CCNA certification.
Hernias and xiphoid process disorders are the most common causes of sternum lumps. Any mass on the sternum need to be investigated medically as it could be a sign of a serious disease or infection. Symptoms of lump on, below and under sternum. The symptoms that will accompany a lump on or under sternum will depend on what is causing the lump. General ones include: pain in the chest or sternum; difficulty breathing; vomiting; nausea; fever; skin redness; tenderness or warmth on the affected region; swollen lymph nodes; See your doctor if such symptoms are to appear around the same time a sternal lump appears. Lump below sternum or in lower sternum; xiphoid process
Causes of a Lump on Back of the Neck. 1. Injury to a muscle or tendon, from an accident or strenuous movement, can result in a lump on the back of the neck. The lump may be the muscle itself as it moves in place when damaged. Our muscles and tendons maintain our body shape. You may feel pain, neck stiffness, or have difficulty moving your neck.